var sd = {};

sd.modules = {};

var _ = (sd._ = {});

;
(function() {
  var isLoader = typeof define === "function" && define.amd;

  var objectTypes = {
    "function": true,
    "object": true
  };

  var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;

  var root = objectTypes[typeof window] && window || this,
    freeGlobal = freeExports && objectTypes[typeof module] && module && !module.nodeType && typeof global == "object" && global;

  if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal || freeGlobal.self === freeGlobal)) {
    root = freeGlobal;
  }

  function runInContext(context, exports) {
    context || (context = root.Object());
    exports || (exports = root.Object());

    var Number = context.Number || root.Number,
      String = context.String || root.String,
      Object = context.Object || root.Object,
      Date = context.Date || root.Date,
      SyntaxError = context.SyntaxError || root.SyntaxError,
      TypeError = context.TypeError || root.TypeError,
      Math = context.Math || root.Math,
      nativeJSON = context.JSON || root.JSON;

    if (typeof nativeJSON == "object" && nativeJSON) {
      exports.stringify = nativeJSON.stringify;
      exports.parse = nativeJSON.parse;
    }

    var objectProto = Object.prototype,
      getClass = objectProto.toString,
      isProperty = objectProto.hasOwnProperty,
      undefined;

    function attempt(func, errorFunc) {
      try {
        func();
      } catch (exception) {
        if (errorFunc) {
          errorFunc();
        }
      }
    }

    var isExtended = new Date(-3509827334573292);
    attempt(function() {
      isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
        isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
    });

    function has(name) {
      if (has[name] != null) {
        return has[name];
      }
      var isSupported;
      if (name == "bug-string-char-index") {
        isSupported = "a" [0] != "a";
      } else if (name == "json") {
        isSupported = has("json-stringify") && has("date-serialization") && has("json-parse");
      } else if (name == "date-serialization") {
        isSupported = has("json-stringify") && isExtended;
        if (isSupported) {
          var stringify = exports.stringify;
          attempt(function() {
            isSupported =
              stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
              stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
              stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
              stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
          });
        }
      } else {
        var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
        if (name == "json-stringify") {
          var stringify = exports.stringify,
            stringifySupported = typeof stringify == "function";
          if (stringifySupported) {
            (value = function() {
              return 1;
            }).toJSON = value;
            attempt(function() {
              stringifySupported =
                stringify(0) === "0" &&
                stringify(new Number()) === "0" &&
                stringify(new String()) == '""' &&
                stringify(getClass) === undefined &&
                stringify(undefined) === undefined &&
                stringify() === undefined &&
                stringify(value) === "1" &&
                stringify([value]) == "[1]" &&
                stringify([undefined]) == "[null]" &&
                stringify(null) == "null" &&
                stringify([undefined, getClass, null]) == "[null,null,null]" &&
                stringify({
                  "a": [value, true, false, null, "\x00\b\n\f\r\t"]
                }) == serialized &&
                stringify(null, value) === "1" &&
                stringify([1, 2], null, 1) == "[\n 1,\n 2\n]";
            }, function() {
              stringifySupported = false;
            });
          }
          isSupported = stringifySupported;
        }
        if (name == "json-parse") {
          var parse = exports.parse,
            parseSupported;
          if (typeof parse == "function") {
            attempt(function() {
              if (parse("0") === 0 && !parse(false)) {
                value = parse(serialized);
                parseSupported = value["a"].length == 5 && value["a"][0] === 1;
                if (parseSupported) {
                  attempt(function() {
                    parseSupported = !parse('"\t"');
                  });
                  if (parseSupported) {
                    attempt(function() {
                      parseSupported = parse("01") !== 1;
                    });
                  }
                  if (parseSupported) {
                    attempt(function() {
                      parseSupported = parse("1.") !== 1;
                    });
                  }
                }
              }
            }, function() {
              parseSupported = false;
            });
          }
          isSupported = parseSupported;
        }
      }
      return has[name] = !!isSupported;
    }
    has["bug-string-char-index"] = has["date-serialization"] = has["json"] = has["json-stringify"] = has["json-parse"] = null;

    if (!has("json")) {
      var functionClass = "[object Function]",
        dateClass = "[object Date]",
        numberClass = "[object Number]",
        stringClass = "[object String]",
        arrayClass = "[object Array]",
        booleanClass = "[object Boolean]";

      var charIndexBuggy = has("bug-string-char-index");

      var forOwn = function(object, callback) {
        var size = 0,
          Properties, dontEnums, property;

        (Properties = function() {
          this.valueOf = 0;
        }).prototype.valueOf = 0;

        dontEnums = new Properties();
        for (property in dontEnums) {
          if (isProperty.call(dontEnums, property)) {
            size++;
          }
        }
        Properties = dontEnums = null;

        if (!size) {
          dontEnums = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
          forOwn = function(object, callback) {
            var isFunction = getClass.call(object) == functionClass,
              property, length;
            var hasProperty = !isFunction && typeof object.constructor != "function" && objectTypes[typeof object.hasOwnProperty] && object.hasOwnProperty || isProperty;
            for (property in object) {
              if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
                callback(property);
              }
            }
            for (length = dontEnums.length; property = dontEnums[--length];) {
              if (hasProperty.call(object, property)) {
                callback(property);
              }
            }
          };
        } else {
          forOwn = function(object, callback) {
            var isFunction = getClass.call(object) == functionClass,
              property, isConstructor;
            for (property in object) {
              if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
                callback(property);
              }
            }
            if (isConstructor || isProperty.call(object, (property = "constructor"))) {
              callback(property);
            }
          };
        }
        return forOwn(object, callback);
      };

      if (!has("json-stringify") && !has("date-serialization")) {
        var Escapes = {
          92: "\\\\",
          34: '\\"',
          8: "\\b",
          12: "\\f",
          10: "\\n",
          13: "\\r",
          9: "\\t"
        };

        var leadingZeroes = "000000";
        var toPaddedString = function(width, value) {
          return (leadingZeroes + (value || 0)).slice(-width);
        };

        var serializeDate = function(value) {
          var getData, year, month, date, time, hours, minutes, seconds, milliseconds;
          if (!isExtended) {
            var floor = Math.floor;
            var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
            var getDay = function(year, month) {
              return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
            };
            getData = function(value) {
              date = floor(value / 864e5);
              for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
              for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
              date = 1 + date - getDay(year, month);
              time = (value % 864e5 + 864e5) % 864e5;
              hours = floor(time / 36e5) % 24;
              minutes = floor(time / 6e4) % 60;
              seconds = floor(time / 1e3) % 60;
              milliseconds = time % 1e3;
            };
          } else {
            getData = function(value) {
              year = value.getUTCFullYear();
              month = value.getUTCMonth();
              date = value.getUTCDate();
              hours = value.getUTCHours();
              minutes = value.getUTCMinutes();
              seconds = value.getUTCSeconds();
              milliseconds = value.getUTCMilliseconds();
            };
          }
          serializeDate = function(value) {
            if (value > -1 / 0 && value < 1 / 0) {
              getData(value);
              value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
                "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
                "T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
                "." + toPaddedString(3, milliseconds) + "Z";
              year = month = date = hours = minutes = seconds = milliseconds = null;
            } else {
              value = null;
            }
            return value;
          };
          return serializeDate(value);
        };

        if (has("json-stringify") && !has("date-serialization")) {
          function dateToJSON(key) {
            return serializeDate(this);
          }

          var nativeStringify = exports.stringify;
          exports.stringify = function(source, filter, width) {
            var nativeToJSON = Date.prototype.toJSON;
            Date.prototype.toJSON = dateToJSON;
            var result = nativeStringify(source, filter, width);
            Date.prototype.toJSON = nativeToJSON;
            return result;
          }
        } else {
          var unicodePrefix = "\\u00";
          var escapeChar = function(character) {
            var charCode = character.charCodeAt(0),
              escaped = Escapes[charCode];
            if (escaped) {
              return escaped;
            }
            return unicodePrefix + toPaddedString(2, charCode.toString(16));
          };
          var reEscape = /[\x00-\x1f\x22\x5c]/g;
          var quote = function(value) {
            reEscape.lastIndex = 0;
            return '"' +
              (
                reEscape.test(value) ?
                value.replace(reEscape, escapeChar) :
                value
              ) +
              '"';
          };

          var serialize = function(property, object, callback, properties, whitespace, indentation, stack) {
            var value, type, className, results, element, index, length, prefix, result;
            attempt(function() {
              value = object[property];
            });
            if (typeof value == "object" && value) {
              if (value.getUTCFullYear && getClass.call(value) == dateClass && value.toJSON === Date.prototype.toJSON) {
                value = serializeDate(value);
              } else if (typeof value.toJSON == "function") {
                value = value.toJSON(property);
              }
            }
            if (callback) {
              value = callback.call(object, property, value);
            }
            if (value == undefined) {
              return value === undefined ? value : "null";
            }
            type = typeof value;
            if (type == "object") {
              className = getClass.call(value);
            }
            switch (className || type) {
              case "boolean":
              case booleanClass:
                return "" + value;
              case "number":
              case numberClass:
                return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
              case "string":
              case stringClass:
                return quote("" + value);
            }
            if (typeof value == "object") {
              for (length = stack.length; length--;) {
                if (stack[length] === value) {
                  throw TypeError();
                }
              }
              stack.push(value);
              results = [];
              prefix = indentation;
              indentation += whitespace;
              if (className == arrayClass) {
                for (index = 0, length = value.length; index < length; index++) {
                  element = serialize(index, value, callback, properties, whitespace, indentation, stack);
                  results.push(element === undefined ? "null" : element);
                }
                result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
              } else {
                forOwn(properties || value, function(property) {
                  var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
                  if (element !== undefined) {
                    results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
                  }
                });
                result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
              }
              stack.pop();
              return result;
            }
          };

          exports.stringify = function(source, filter, width) {
            var whitespace, callback, properties, className;
            if (objectTypes[typeof filter] && filter) {
              className = getClass.call(filter);
              if (className == functionClass) {
                callback = filter;
              } else if (className == arrayClass) {
                properties = {};
                for (var index = 0, length = filter.length, value; index < length;) {
                  value = filter[index++];
                  className = getClass.call(value);
                  if (className == "[object String]" || className == "[object Number]") {
                    properties[value] = 1;
                  }
                }
              }
            }
            if (width) {
              className = getClass.call(width);
              if (className == numberClass) {
                if ((width -= width % 1) > 0) {
                  if (width > 10) {
                    width = 10;
                  }
                  for (whitespace = ""; whitespace.length < width;) {
                    whitespace += " ";
                  }
                }
              } else if (className == stringClass) {
                whitespace = width.length <= 10 ? width : width.slice(0, 10);
              }
            }
            return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
          };
        }
      }

      if (!has("json-parse")) {
        var fromCharCode = String.fromCharCode;

        var Unescapes = {
          92: "\\",
          34: '"',
          47: "/",
          98: "\b",
          116: "\t",
          110: "\n",
          102: "\f",
          114: "\r"
        };

        var Index, Source;

        var abort = function() {
          Index = Source = null;
          throw SyntaxError();
        };

        var lex = function() {
          var source = Source,
            length = source.length,
            value, begin, position, isSigned, charCode;
          while (Index < length) {
            charCode = source.charCodeAt(Index);
            switch (charCode) {
              case 9:
              case 10:
              case 13:
              case 32:
                Index++;
                break;
              case 123:
              case 125:
              case 91:
              case 93:
              case 58:
              case 44:
                value = charIndexBuggy ? source.charAt(Index) : source[Index];
                Index++;
                return value;
              case 34:
                for (value = "@", Index++; Index < length;) {
                  charCode = source.charCodeAt(Index);
                  if (charCode < 32) {
                    abort();
                  } else if (charCode == 92) {
                    charCode = source.charCodeAt(++Index);
                    switch (charCode) {
                      case 92:
                      case 34:
                      case 47:
                      case 98:
                      case 116:
                      case 110:
                      case 102:
                      case 114:
                        value += Unescapes[charCode];
                        Index++;
                        break;
                      case 117:
                        begin = ++Index;
                        for (position = Index + 4; Index < position; Index++) {
                          charCode = source.charCodeAt(Index);
                          if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
                            abort();
                          }
                        }
                        value += fromCharCode("0x" + source.slice(begin, Index));
                        break;
                      default:
                        abort();
                    }
                  } else {
                    if (charCode == 34) {
                      break;
                    }
                    charCode = source.charCodeAt(Index);
                    begin = Index;
                    while (charCode >= 32 && charCode != 92 && charCode != 34) {
                      charCode = source.charCodeAt(++Index);
                    }
                    value += source.slice(begin, Index);
                  }
                }
                if (source.charCodeAt(Index) == 34) {
                  Index++;
                  return value;
                }
                abort();
              default:
                begin = Index;
                if (charCode == 45) {
                  isSigned = true;
                  charCode = source.charCodeAt(++Index);
                }
                if (charCode >= 48 && charCode <= 57) {
                  if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
                    abort();
                  }
                  isSigned = false;
                  for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
                  if (source.charCodeAt(Index) == 46) {
                    position = ++Index;
                    for (; position < length; position++) {
                      charCode = source.charCodeAt(position);
                      if (charCode < 48 || charCode > 57) {
                        break;
                      }
                    }
                    if (position == Index) {
                      abort();
                    }
                    Index = position;
                  }
                  charCode = source.charCodeAt(Index);
                  if (charCode == 101 || charCode == 69) {
                    charCode = source.charCodeAt(++Index);
                    if (charCode == 43 || charCode == 45) {
                      Index++;
                    }
                    for (position = Index; position < length; position++) {
                      charCode = source.charCodeAt(position);
                      if (charCode < 48 || charCode > 57) {
                        break;
                      }
                    }
                    if (position == Index) {
                      abort();
                    }
                    Index = position;
                  }
                  return +source.slice(begin, Index);
                }
                if (isSigned) {
                  abort();
                }
                var temp = source.slice(Index, Index + 4);
                if (temp == "true") {
                  Index += 4;
                  return true;
                } else if (temp == "fals" && source.charCodeAt(Index + 4) == 101) {
                  Index += 5;
                  return false;
                } else if (temp == "null") {
                  Index += 4;
                  return null;
                }
                abort();
            }
          }
          return "$";
        };

        var get = function(value) {
          var results, hasMembers;
          if (value == "$") {
            abort();
          }
          if (typeof value == "string") {
            if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
              return value.slice(1);
            }
            if (value == "[") {
              results = [];
              for (;;) {
                value = lex();
                if (value == "]") {
                  break;
                }
                if (hasMembers) {
                  if (value == ",") {
                    value = lex();
                    if (value == "]") {
                      abort();
                    }
                  } else {
                    abort();
                  }
                } else {
                  hasMembers = true;
                }
                if (value == ",") {
                  abort();
                }
                results.push(get(value));
              }
              return results;
            } else if (value == "{") {
              results = {};
              for (;;) {
                value = lex();
                if (value == "}") {
                  break;
                }
                if (hasMembers) {
                  if (value == ",") {
                    value = lex();
                    if (value == "}") {
                      abort();
                    }
                  } else {
                    abort();
                  }
                } else {
                  hasMembers = true;
                }
                if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
                  abort();
                }
                results[value.slice(1)] = get(lex());
              }
              return results;
            }
            abort();
          }
          return value;
        };

        var update = function(source, property, callback) {
          var element = walk(source, property, callback);
          if (element === undefined) {
            delete source[property];
          } else {
            source[property] = element;
          }
        };

        var walk = function(source, property, callback) {
          var value = source[property],
            length;
          if (typeof value == "object" && value) {
            if (getClass.call(value) == arrayClass) {
              for (length = value.length; length--;) {
                update(getClass, forOwn, value, length, callback);
              }
            } else {
              forOwn(value, function(property) {
                update(value, property, callback);
              });
            }
          }
          return callback.call(source, property, value);
        };

        exports.parse = function(source, callback) {
          var result, value;
          Index = 0;
          Source = "" + source;
          result = get(lex());
          if (lex() != "$") {
            abort();
          }
          Index = Source = null;
          return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
        };
      }
    }

    exports.runInContext = runInContext;
    return exports;
  }

  if (freeExports && !isLoader) {
    runInContext(root, freeExports);
  } else {
    var nativeJSON = root.JSON,
      previousJSON = root.JSON3,
      isRestored = false;

    var JSON3 = runInContext(root, (root.JSON3 = {
      "noConflict": function() {
        if (!isRestored) {
          isRestored = true;
          root.JSON = nativeJSON;
          root.JSON3 = previousJSON;
          nativeJSON = previousJSON = null;
        }
        return JSON3;
      }
    }));

    root.JSON = {
      "parse": JSON3.parse,
      "stringify": JSON3.stringify
    };
  }

  if (isLoader) {
    define(function() {
      return JSON3;
    });
  }
}).call(this);;


(function(root, factory) {
  factory(root);
})(window, function(root) {
  if (root.atob) {
    try {
      root.atob(" ");
    } catch (e) {
      root.atob = (function(atob) {
        var func = function(string) {
          return atob(String(string).replace(/[\t\n\f\r ]+/g, ""));
        };
        func.original = atob;
        return func;
      })(root.atob);
    }
    return;
  }

  var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
    b64re = /^(?:[A-Za-z\d+\/]{4})*?(?:[A-Za-z\d+\/]{2}(?:==)?|[A-Za-z\d+\/]{3}=?)?$/;

  root.btoa = function(string) {
    string = String(string);
    var bitmap, a, b, c,
      result = "",
      i = 0,
      rest = string.length % 3;

    for (; i < string.length;) {
      if ((a = string.charCodeAt(i++)) > 255 ||
        (b = string.charCodeAt(i++)) > 255 ||
        (c = string.charCodeAt(i++)) > 255)
        sd.log("Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the Latin1 range.");

      bitmap = (a << 16) | (b << 8) | c;
      result += b64.charAt(bitmap >> 18 & 63) + b64.charAt(bitmap >> 12 & 63) +
        b64.charAt(bitmap >> 6 & 63) + b64.charAt(bitmap & 63);
    }

    return rest ? result.slice(0, rest - 3) + "===".substring(rest) : result;
  };

  root.atob = function(string) {
    string = String(string).replace(/[\t\n\f\r ]+/g, "");
    if (!b64re.test(string))
      sd.log("Failed to execute 'atob' on 'Window': The string to be decoded is not correctly encoded.");

    string += "==".slice(2 - (string.length & 3));
    var bitmap, result = "",
      r1, r2, i = 0;
    for (; i < string.length;) {
      bitmap = b64.indexOf(string.charAt(i++)) << 18 | b64.indexOf(string.charAt(i++)) << 12 |
        (r1 = b64.indexOf(string.charAt(i++))) << 6 | (r2 = b64.indexOf(string.charAt(i++)));

      result += r1 === 64 ? String.fromCharCode(bitmap >> 16 & 255) :
        r2 === 64 ? String.fromCharCode(bitmap >> 16 & 255, bitmap >> 8 & 255) :
        String.fromCharCode(bitmap >> 16 & 255, bitmap >> 8 & 255, bitmap & 255);
    }
    return result;
  };
});;


if (!String.prototype.replaceAll) {
  String.prototype.replaceAll = function(str, newStr) {
    if (Object.prototype.toString.call(str).toLowerCase() === '[object regexp]') {
      return this.replace(str, newStr);
    }
    return this.replace(new RegExp(str, 'g'), newStr);
  };
}

(function() {
  var ArrayProto = Array.prototype;
  var FuncProto = Function.prototype;
  var ObjProto = Object.prototype;
  var slice = ArrayProto.slice;
  var toString = ObjProto.toString;
  var hasOwnProperty = ObjProto.hasOwnProperty;
  var nativeBind = FuncProto.bind;
  var nativeForEach = ArrayProto.forEach;
  var nativeIndexOf = ArrayProto.indexOf;
  var nativeIsArray = Array.isArray;
  var breaker = {};

  var each = (_.each = function(obj, iterator, context) {
    if (obj == null) {
      return false;
    }
    if (nativeForEach && obj.forEach === nativeForEach) {
      obj.forEach(iterator, context);
    } else if (_.isArray(obj) && obj.length === +obj.length) {
      for (var i = 0, l = obj.length; i < l; i++) {
        if (i in obj && iterator.call(context, obj[i], i, obj) === breaker) {
          return false;
        }
      }
    } else {
      for (var key in obj) {
        if (hasOwnProperty.call(obj, key)) {
          if (iterator.call(context, obj[key], key, obj) === breaker) {
            return false;
          }
        }
      }
    }
  });

  _.map = function(obj, iterator) {
    var results = [];
    if (obj == null) {
      return results;
    }
    if (Array.prototype.map && obj.map === Array.prototype.map) {
      return obj.map(iterator);
    }
    each(obj, function(value, index, list) {
      results.push(iterator(value, index, list));
    });
    return results;
  };

  _.extend = function(obj) {
    each(slice.call(arguments, 1), function(source) {
      for (var prop in source) {
        if (hasOwnProperty.call(source, prop) && source[prop] !== void 0) {
          obj[prop] = source[prop];
        }
      }
    });
    return obj;
  };

  _.extend2Lev = function(obj) {
    each(slice.call(arguments, 1), function(source) {
      for (var prop in source) {
        if (source[prop] !== void 0) {
          if (_.isObject(source[prop]) && _.isObject(obj[prop])) {
            _.extend(obj[prop], source[prop]);
          } else {
            obj[prop] = source[prop];
          }
        }
      }
    });
    return obj;
  };
  _.coverExtend = function(obj) {
    each(slice.call(arguments, 1), function(source) {
      for (var prop in source) {
        if (source[prop] !== void 0 && obj[prop] === void 0) {
          obj[prop] = source[prop];
        }
      }
    });
    return obj;
  };

  _.isArray =
    nativeIsArray ||
    function(obj) {
      return toString.call(obj) === '[object Array]';
    };

  _.isFunction = function(f) {
    if (!f) {
      return false;
    }
    try {
      return /^\s*\bfunction\b/.test(f);
    } catch (x) {
      return false;
    }
  };

  _.isArguments = function(obj) {
    return !!(obj && hasOwnProperty.call(obj, 'callee'));
  };

  _.toArray = function(iterable) {
    if (!iterable) {
      return [];
    }
    if (iterable.toArray) {
      return iterable.toArray();
    }
    if (_.isArray(iterable)) {
      return slice.call(iterable);
    }
    if (_.isArguments(iterable)) {
      return slice.call(iterable);
    }
    return _.values(iterable);
  };

  _.values = function(obj) {
    var results = [];
    if (obj == null) {
      return results;
    }
    each(obj, function(value) {
      results[results.length] = value;
    });
    return results;
  };

  _.indexOf = function(arr, target) {
    var indexof = arr.indexOf;
    if (indexof) {
      return indexof.call(arr, target);
    } else {
      for (var i = 0; i < arr.length; i++) {
        if (target === arr[i]) {
          return i;
        }
      }
      return -1;
    }
  };

  _.hasAttributes = function(ele, attrs) {
    if (typeof attrs === 'string') {
      return _.hasAttribute(ele, attrs);
    } else if (_.isArray(attrs)) {
      var result = false;
      for (var i = 0; i < attrs.length; i++) {
        var testResult = _.hasAttribute(ele, attrs[i]);
        if (testResult) {
          result = true;
          break;
        }
      }
      return result;
    }
  };

  _.hasAttribute = function(ele, attr) {
    if (ele.hasAttribute) {
      return ele.hasAttribute(attr);
    } else {
      return !!(ele.attributes[attr] && ele.attributes[attr].specified);
    }
  };

  _.filter = function(arr, fn, self) {
    var hasOwn = Object.prototype.hasOwnProperty;
    if (arr.filter) {
      return arr.filter(fn);
    }
    var ret = [];
    for (var i = 0; i < arr.length; i++) {
      if (!hasOwn.call(arr, i)) {
        continue;
      }
      var val = arr[i];
      if (fn.call(self, val, i, arr)) {
        ret.push(val);
      }
    }
    return ret;
  };

  _.inherit = function(subclass, superclass) {
    subclass.prototype = new superclass();
    subclass.prototype.constructor = subclass;
    subclass.superclass = superclass.prototype;
    return subclass;
  };

  _.trim = function(str) {
    return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
  };

  _.isObject = function(obj) {
    if (obj == null) {
      return false;
    } else {
      return toString.call(obj) == '[object Object]';
    }
  };

  _.isEmptyObject = function(obj) {
    if (_.isObject(obj)) {
      for (var key in obj) {
        if (hasOwnProperty.call(obj, key)) {
          return false;
        }
      }
      return true;
    }
    return false;
  };

  _.isUndefined = function(obj) {
    return obj === void 0;
  };

  _.isString = function(obj) {
    return toString.call(obj) == '[object String]';
  };

  _.isDate = function(obj) {
    return toString.call(obj) == '[object Date]';
  };

  _.isBoolean = function(obj) {
    return toString.call(obj) == '[object Boolean]';
  };

  _.isNumber = function(obj) {
    return toString.call(obj) == '[object Number]' && /[\d\.]+/.test(String(obj));
  };

  _.isElement = function(obj) {
    return !!(obj && obj.nodeType === 1);
  };

  _.isJSONString = function(str) {
    try {
      JSON.parse(str);
    } catch (e) {
      return false;
    }
    return true;
  };
  _.safeJSONParse = function(str) {
    var val = null;
    try {
      val = JSON.parse(str);
    } catch (e) {
      return false;
    }
    return val;
  };
  _.decodeURIComponent = function(val) {
    var result = val;
    try {
      result = decodeURIComponent(val);
    } catch (e) {
      result = val;
    }
    return result;
  };

  _.decodeURI = function(val) {
    var result = val;
    try {
      result = decodeURI(val);
    } catch (e) {
      result = val;
    }
    return result;
  };

  _.isDecodeURI = function(para, val) {
    if (para) {
      return _.decodeURI(val);
    } else {
      return val;
    }
  };

  _.encodeDates = function(obj) {
    _.each(obj, function(v, k) {
      if (_.isDate(v)) {
        obj[k] = _.formatDate(v);
      } else if (_.isObject(v)) {
        obj[k] = _.encodeDates(v);
      }
    });
    return obj;
  };

  _.mediaQueriesSupported = function() {
    return typeof window.matchMedia != 'undefined' || typeof window.msMatchMedia != 'undefined';
  };

  _.getScreenOrientation = function() {
    var screenOrientationAPI = screen.msOrientation || screen.mozOrientation || (screen.orientation || {}).type;
    var screenOrientation = '未取到值';
    if (screenOrientationAPI) {
      screenOrientation = screenOrientationAPI.indexOf('landscape') > -1 ? 'landscape' : 'portrait';
    } else if (_.mediaQueriesSupported()) {
      var matchMediaFunc = window.matchMedia || window.msMatchMedia;
      if (matchMediaFunc('(orientation: landscape)').matches) {
        screenOrientation = 'landscape';
      } else if (matchMediaFunc('(orientation: portrait)').matches) {
        screenOrientation = 'portrait';
      }
    }
    return screenOrientation;
  };

  _.now =
    Date.now ||
    function() {
      return new Date().getTime();
    };

  _.throttle = function(func, wait, options) {
    var context, args, result;
    var timeout = null;
    var previous = 0;
    if (!options) options = {};
    var later = function() {
      previous = options.leading === false ? 0 : _.now();
      timeout = null;
      result = func.apply(context, args);
      if (!timeout) context = args = null;
    };
    return function() {
      var now = _.now();
      if (!previous && options.leading === false) previous = now;
      var remaining = wait - (now - previous);
      context = this;
      args = arguments;
      if (remaining <= 0 || remaining > wait) {
        if (timeout) {
          clearTimeout(timeout);
          timeout = null;
        }
        previous = now;
        result = func.apply(context, args);
        if (!timeout) context = args = null;
      } else if (!timeout && options.trailing !== false) {
        timeout = setTimeout(later, remaining);
      }
      return result;
    };
  };

  _.hashCode = function(str) {
    if (typeof str !== 'string') {
      return 0;
    }
    var hash = 0;
    var char = null;
    if (str.length == 0) {
      return hash;
    }
    for (var i = 0; i < str.length; i++) {
      char = str.charCodeAt(i);
      hash = (hash << 5) - hash + char;
      hash = hash & hash;
    }
    return hash;
  };

  _.formatDate = function(d) {
    function pad(n) {
      return n < 10 ? '0' + n : n;
    }

    return d.getFullYear() + '-' + pad(d.getMonth() + 1) + '-' + pad(d.getDate()) + ' ' + pad(d.getHours()) + ':' + pad(d.getMinutes()) + ':' + pad(d.getSeconds()) + '.' + pad(d.getMilliseconds());
  };

  _.getRandomBasic = (function() {
    var today = new Date();
    var seed = today.getTime();

    function rnd() {
      seed = (seed * 9301 + 49297) % 233280;
      return seed / (233280.0);
    };
    return function rand(number) {
      return Math.ceil(rnd(seed) * number);
    };
  })();
  _.getRandom = function() {
    if (typeof Uint32Array === 'function') {
      var cry = '';
      if (typeof crypto !== 'undefined') {
        cry = crypto;
      } else if (typeof msCrypto !== 'undefined') {
        cry = msCrypto;
      }
      if (_.isObject(cry) && cry.getRandomValues) {
        var typedArray = new Uint32Array(1);
        var randomNumber = cry.getRandomValues(typedArray)[0];
        var integerLimit = Math.pow(2, 32);
        return randomNumber / integerLimit;
      }
    }
    return _.getRandomBasic(10000000000000000000) / 10000000000000000000;
  };

  _.searchObjDate = function(o) {
    if (_.isObject(o)) {
      _.each(o, function(a, b) {
        if (_.isObject(a)) {
          _.searchObjDate(o[b]);
        } else {
          if (_.isDate(a)) {
            o[b] = _.formatDate(a);
          }
        }
      });
    }
  };

  _.searchZZAppStyle = function(data) {
    if (typeof data.properties.$project !== 'undefined') {
      data.project = data.properties.$project;
      delete data.properties.$project;
    }
    if (typeof data.properties.$token !== 'undefined') {
      data.token = data.properties.$token;
      delete data.properties.$token;
    }
  };

  _.formatJsonString = function(obj) {
    try {
      return JSON.stringify(obj, null, '  ');
    } catch (e) {
      return JSON.stringify(obj);
    }
  };

  _.formatString = function(str, maxLen) {
    if (_.isNumber(maxLen) && str.length > maxLen) {
      sd.log('字符串长度超过限制，已经做截取--' + str);
      return str.slice(0, maxLen);
    } else {
      return str;
    }
  };

  _.searchObjString = function(o) {
    if (_.isObject(o)) {
      _.each(o, function(a, b) {
        if (_.isObject(a)) {
          _.searchObjString(o[b]);
        } else {
          if (_.isString(a)) {
            o[b] = _.formatString(a, b === '$element_selector' ? 1024 : sd.para.max_string_length);
          }
        }
      });
    }
  };

  _.parseSuperProperties = function(data) {
    var obj = data.properties;
    var copyData = JSON.parse(JSON.stringify(data));
    if (_.isObject(obj)) {
      _.each(obj, function(value, key) {
        if (_.isFunction(value)) {
          try {
            obj[key] = value(copyData);
            if (_.isFunction(obj[key])) {
              sd.log('您的属性- ' + key + ' 格式不满足要求，我们已经将其删除');
              delete obj[key];
            }
          } catch (e) {
            delete obj[key];
            sd.log('您的属性- ' + key + ' 抛出了异常，我们已经将其删除');
          }
        }
      });
      _.strip_sa_properties(obj);
    }
  };

  _.filterReservedProperties = function(obj) {
    var reservedFields = ['distinct_id', 'user_id', 'id', 'date', 'datetime', 'event', 'events', 'first_id', 'original_id', 'device_id', 'properties', 'second_id', 'time', 'users'];
    if (!_.isObject(obj)) {
      return;
    }
    _.each(reservedFields, function(key, index) {
      if (!(key in obj)) {
        return;
      }
      if (index < 3) {
        delete obj[key];
        sd.log('您的属性- ' + key + '是保留字段，我们已经将其删除');
      } else {
        sd.log('您的属性- ' + key + '是保留字段，请避免其作为属性名');
      }
    });
  };

  _.searchConfigData = function(data) {
    if (typeof data === 'object' && data.$option) {
      var data_config = data.$option;
      delete data.$option;
      return data_config;
    } else {
      return {};
    }
  };

  _.unique = function(ar) {
    var temp,
      n = [],
      o = {};
    for (var i = 0; i < ar.length; i++) {
      temp = ar[i];
      if (!(temp in o)) {
        o[temp] = true;
        n.push(temp);
      }
    }
    return n;
  };

  _.strip_sa_properties = function(p) {
    if (!_.isObject(p)) {
      return p;
    }
    _.each(p, function(v, k) {
      if (_.isArray(v)) {
        var temp = [];
        _.each(v, function(arrv) {
          if (_.isString(arrv)) {
            temp.push(arrv);
          } else {
            sd.log('您的数据-', k, v, '的数组里的值必须是字符串,已经将其删除');
          }
        });
        if (temp.length !== 0) {
          p[k] = temp;
        } else {
          delete p[k];
          sd.log('已经删除空的数组');
        }
      }
      if (!(_.isString(v) || _.isNumber(v) || _.isDate(v) || _.isBoolean(v) || _.isArray(v) || _.isFunction(v) || k === '$option')) {
        sd.log('您的数据-', k, v, '-格式不满足要求，我们已经将其删除');
        delete p[k];
      }
    });
    return p;
  };

  _.strip_empty_properties = function(p) {
    var ret = {};
    _.each(p, function(v, k) {
      if (v != null) {
        ret[k] = v;
      }
    });
    return ret;
  };

  _.base64Encode = function(data) {
    return btoa(
      encodeURIComponent(data).replace(/%([0-9A-F]{2})/g, function(match, p1) {
        return String.fromCharCode('0x' + p1);
      })
    );
  };

  _.base64Decode = function(data) {
    var arr = _.map(atob(data).split(''), function(c) {
      return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
    });
    return decodeURIComponent(arr.join(''));
  };

  _.UUID = (function() {
    var T = function() {
      var d = 1 * new Date(),
        i = 0;
      while (d == 1 * new Date()) {
        i++;
      }
      return d.toString(16) + i.toString(16);
    };
    var R = function() {
      return _.getRandom().toString(16).replace('.', '');
    };
    var UA = function(n) {
      var ua = navigator.userAgent,
        i,
        ch,
        buffer = [],
        ret = 0;

      function xor(result, byte_array) {
        var j,
          tmp = 0;
        for (j = 0; j < byte_array.length; j++) {
          tmp |= buffer[j] << (j * 8);
        }
        return result ^ tmp;
      }

      for (i = 0; i < ua.length; i++) {
        ch = ua.charCodeAt(i);
        buffer.unshift(ch & 0xff);
        if (buffer.length >= 4) {
          ret = xor(ret, buffer);
          buffer = [];
        }
      }

      if (buffer.length > 0) {
        ret = xor(ret, buffer);
      }

      return ret.toString(16);
    };

    return function() {
      var se = String(screen.height * screen.width);
      if (se && /\d{5,}/.test(se)) {
        se = se.toString(16);
      } else {
        se = String(_.getRandom() * 31242)
          .replace('.', '')
          .slice(0, 8);
      }
      var val = T() + '-' + R() + '-' + UA() + '-' + se + '-' + T();
      if (val) {
        return val;
      } else {
        return (String(_.getRandom()) + String(_.getRandom()) + String(_.getRandom())).slice(2, 15);
      }
    };
  })();

  _.getQueryParam = function(url, param) {
    param = param.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
    url = _.decodeURIComponent(url);
    var regexS = '[\\?&]' + param + '=([^&#]*)',
      regex = new RegExp(regexS),
      results = regex.exec(url);
    if (results === null || (results && typeof results[1] !== 'string' && results[1].length)) {
      return '';
    } else {
      return _.decodeURIComponent(results[1]);
    }
  };

  _.urlParse = function(para) {
    var URLParser = function(a) {
      this._fields = {
        Username: 4,
        Password: 5,
        Port: 7,
        Protocol: 2,
        Host: 6,
        Path: 8,
        URL: 0,
        QueryString: 9,
        Fragment: 10
      };
      this._values = {};
      this._regex = null;
      this._regex = /^((\w+):\/\/)?((\w+):?(\w+)?@)?([^\/\?:]+):?(\d+)?(\/?[^\?#]+)?\??([^#]+)?#?(\w*)/;

      if (typeof a != 'undefined') {
        this._parse(a);
      }
    };
    URLParser.prototype.setUrl = function(a) {
      this._parse(a);
    };
    URLParser.prototype._initValues = function() {
      for (var a in this._fields) {
        this._values[a] = '';
      }
    };
    URLParser.prototype.addQueryString = function(queryObj) {
      if (typeof queryObj !== 'object') {
        return false;
      }
      var query = this._values.QueryString || '';
      for (var i in queryObj) {
        if (new RegExp(i + '[^&]+').test(query)) {
          query = query.replace(new RegExp(i + '[^&]+'), i + '=' + queryObj[i]);
        } else {
          if (query.slice(-1) === '&') {
            query = query + i + '=' + queryObj[i];
          } else {
            if (query === '') {
              query = i + '=' + queryObj[i];
            } else {
              query = query + '&' + i + '=' + queryObj[i];
            }
          }
        }
      }
      this._values.QueryString = query;
    };
    URLParser.prototype.getUrl = function() {
      var url = '';
      url += this._values.Origin;
      url += this._values.Port ? ':' + this._values.Port : '';
      url += this._values.Path;
      url += this._values.QueryString ? '?' + this._values.QueryString : '';
      url += this._values.Fragment ? '#' + this._values.Fragment : '';
      return url;
    };

    URLParser.prototype.getUrl = function() {
      var url = '';
      url += this._values.Origin;
      url += this._values.Port ? ':' + this._values.Port : '';
      url += this._values.Path;
      url += this._values.QueryString ? '?' + this._values.QueryString : '';
      return url;
    };
    URLParser.prototype._parse = function(a) {
      this._initValues();
      var b = this._regex.exec(a);
      if (!b) {
        sd.log('DPURLParser::_parse -> Invalid URL');
      }
      for (var c in this._fields) {
        if (typeof b[this._fields[c]] != 'undefined') {
          this._values[c] = b[this._fields[c]];
        }
      }
      this._values['Hostname'] = this._values['Host'].replace(/:\d+$/, '');
      this._values['Origin'] = this._values['Protocol'] + '://' + this._values['Hostname'];
    };
    return new URLParser(para);
  };





  _.addEvent = function() {
    function fixEvent(event) {
      if (event) {
        event.preventDefault = fixEvent.preventDefault;
        event.stopPropagation = fixEvent.stopPropagation;
        event._getPath = fixEvent._getPath;
      }
      return event;
    }
    fixEvent._getPath = function() {
      var ev = this;
      var polyfill = function() {
        try {
          var element = ev.target;
          var pathArr = [element];
          if (element === null || element.parentElement === null) {
            return [];
          }
          while (element.parentElement !== null) {
            element = element.parentElement;
            pathArr.unshift(element);
          }
          return pathArr;
        } catch (err) {
          return [];
        }
      };
      return this.path || (this.composedPath && this.composedPath()) || polyfill();
    };
    fixEvent.preventDefault = function() {
      this.returnValue = false;
    };
    fixEvent.stopPropagation = function() {
      this.cancelBubble = true;
    };

    var register_event = function(element, type, handler) {
      var useCapture = _.isObject(sd.para.heatmap) && sd.para.heatmap.useCapture ? true : false;
      if (_.isObject(sd.para.heatmap) && typeof sd.para.heatmap.useCapture === 'undefined' && type === 'click') {
        useCapture = true;
      }
      if (element && element.addEventListener) {
        element.addEventListener(
          type,
          function(e) {
            e._getPath = fixEvent._getPath;
            handler.call(this, e);
          },
          useCapture
        );
      } else {
        var ontype = 'on' + type;
        var old_handler = element[ontype];
        element[ontype] = makeHandler(element, handler, old_handler);
      }
    };

    function makeHandler(element, new_handler, old_handlers) {
      var handler = function(event) {
        event = event || fixEvent(window.event);
        if (!event) {
          return undefined;
        }
        event.target = event.srcElement;

        var ret = true;
        var old_result, new_result;
        if (typeof old_handlers === 'function') {
          old_result = old_handlers(event);
        }
        new_result = new_handler.call(element, event);
        if (false === old_result || false === new_result) {
          ret = false;
        }
        return ret;
      };
      return handler;
    }

    register_event.apply(null, arguments);
  };

  _.addHashEvent = function(callback) {
    var hashEvent = 'pushState' in window.history ? 'popstate' : 'hashchange';
    _.addEvent(window, hashEvent, callback);
  };

  _.addSinglePageEvent = function(callback) {
    var current_url = location.href;
    var historyPushState = window.history.pushState;
    var historyReplaceState = window.history.replaceState;

    window.history.pushState = function() {
      historyPushState.apply(window.history, arguments);
      callback(current_url);
      current_url = location.href;
    };
    window.history.replaceState = function() {
      historyReplaceState.apply(window.history, arguments);
      callback(current_url);
      current_url = location.href;
    };

    var singlePageEvent = historyPushState ? 'popstate' : 'hashchange';
    _.addEvent(window, singlePageEvent, function() {
      callback(current_url);
      current_url = location.href;
    });
  };

  _.cookie = {
    get: function(name) {
      var nameEQ = name + '=';
      var ca = document.cookie.split(';');
      for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') {
          c = c.substring(1, c.length);
        }
        if (c.indexOf(nameEQ) == 0) {
          return _.decodeURIComponent(c.substring(nameEQ.length, c.length));
        }
      }
      return null;
    },
    set: function(name, value, days, cross_subdomain) {
      cross_subdomain = typeof cross_subdomain === 'undefined' ? sd.para.cross_subdomain : cross_subdomain;
      var cdomain = '',
        expires = '',
        secure = '';
      days = days == null ? 73000 : days;

      if (cross_subdomain) {
        var domain = _.getCurrentDomain(location.href);
        if (domain === 'url解析失败') {
          domain = '';
        }
        cdomain = domain ? '; domain=' + domain : '';
      }

      if (days !== 0) {
        var date = new Date();
        if (String(days).slice(-1) === 's') {
          date.setTime(date.getTime() + Number(String(days).slice(0, -1)) * 1000);
        } else {
          date.setTime(date.getTime() + days * 24 * 60 * 60 * 1000);
        }

        expires = '; expires=' + date.toGMTString();
      }
      if (sd.para.is_secure_cookie) {
        secure = '; secure';
      }

      function getValid(data) {
        if (data) {
          return data.replaceAll(/\r\n/g, '');
        } else {
          return false;
        }
      }
      var valid_name = '';
      var valid_value = '';
      var valid_domain = '';
      if (name) {
        valid_name = getValid(name);
      }
      if (value) {
        valid_value = getValid(value);
      }
      if (cdomain) {
        valid_domain = getValid(cdomain);
      }
      if (valid_name && valid_value) {
        document.cookie = valid_name + '=' + encodeURIComponent(valid_value) + expires + '; path=/' + valid_domain + secure;
      }

    },
    encrypt: function(v) {
      return 'data:enc;' + _.rot13obfs(v);
    },
    decrypt: function(v) {
      v = v.substring('data:enc;'.length);
      v = _.rot13defs(v);
      return v;
    },
    resolveValue: function(cross) {
      var flag = 'data:enc;';
      if (_.isString(cross) && cross.indexOf(flag) === 0) {
        cross = _.cookie.decrypt(cross);
      }
      return cross;
    },

    remove: function(name, cross_subdomain) {
      cross_subdomain = typeof cross_subdomain === 'undefined' ? sd.para.cross_subdomain : cross_subdomain;
      _.cookie.set(name, '', -1, cross_subdomain);
    },

    getCookieName: function(name_prefix, url) {
      var sub = '';
      url = url || location.href;
      if (sd.para.cross_subdomain === false) {
        try {
          sub = _.URL(url).hostname;
        } catch (e) {
          sd.log(e);
        }
        if (typeof sub === 'string' && sub !== '') {
          sub = 'sajssdk_2015_' + name_prefix + '_' + sub.replace(/\./g, '_');
        } else {
          sub = 'sajssdk_2015_root_' + name_prefix;
        }
      } else {
        sub = 'sajssdk_2015_cross_' + name_prefix;
      }
      return sub;
    },
    getNewUser: function() {
      var prefix = 'new_user';
      if (this.get('sensorsdata_is_new_user') !== null || this.get(this.getCookieName(prefix)) !== null) {
        return true;
      } else {
        return false;
      }
    }
  };
  _.getElementContent = function(target, tagName) {
    var textContent = '';
    var element_content = '';
    if (target.textContent) {
      textContent = _.trim(target.textContent);
    } else if (target.innerText) {
      textContent = _.trim(target.innerText);
    }
    if (textContent) {
      textContent = textContent
        .replace(/[\r\n]/g, ' ')
        .replace(/[ ]+/g, ' ')
        .substring(0, 255);
    }
    element_content = textContent || '';

    if (tagName === 'input' || tagName === 'INPUT') {
      if (target.type === 'button' || target.type === 'submit') {
        element_content = target.value || '';
      } else if (sd.para.heatmap && typeof sd.para.heatmap.collect_input === 'function' && sd.para.heatmap.collect_input(target)) {
        element_content = target.value || '';
      }
    }
    return element_content;
  };
  _.getEleInfo = function(obj) {
    if (!obj.target) {
      return false;
    }

    var target = obj.target;
    var tagName = target.tagName.toLowerCase();

    var props = {};

    props.$element_type = tagName;
    props.$element_name = target.getAttribute('name');
    props.$element_id = target.getAttribute('id');
    props.$element_class_name = typeof target.className === 'string' ? target.className : null;
    props.$element_target_url = target.getAttribute('href');
    props.$element_content = _.getElementContent(target, tagName);

    props = _.strip_empty_properties(props);

    (props.$url = _.isDecodeURI(sd.para.url_is_decode, location.href)), (props.$url_path = location.pathname);
    props.$title = document.title;
    props.$viewport_width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth || 0;

    return props;
  };

  _.localStorage = {
    get: function(name) {
      return window.localStorage.getItem(name);
    },

    parse: function(name) {
      var storedValue;
      try {
        storedValue = JSON.parse(_.localStorage.get(name)) || null;
      } catch (err) {
        sd.log(err);
      }
      return storedValue;
    },

    set: function(name, value) {
      window.localStorage.setItem(name, value);
    },

    remove: function(name) {
      window.localStorage.removeItem(name);
    },

    isSupport: function() {
      var supported = true;
      try {
        var supportName = '__sensorsdatasupport__';
        var val = 'testIsSupportStorage';
        _.localStorage.set(supportName, val);
        if (_.localStorage.get(supportName) !== val) {
          supported = false;
        }
        _.localStorage.remove(supportName);
      } catch (err) {
        supported = false;
      }
      return supported;
    }
  };

  _.sessionStorage = {
    isSupport: function() {
      var supported = true;

      var supportName = '__sensorsdatasupport__';
      var val = 'testIsSupportStorage';
      try {
        if (sessionStorage && sessionStorage.setItem) {
          sessionStorage.setItem(supportName, val);
          sessionStorage.removeItem(supportName, val);
          supported = true;
        } else {
          supported = false;
        }
      } catch (e) {
        supported = false;
      }
      return supported;
    }
  };

  _.isSupportCors = function() {
    if (typeof window.XMLHttpRequest === 'undefined') {
      return false;
    }
    if ('withCredentials' in new XMLHttpRequest()) {
      return true;
    } else if (typeof XDomainRequest !== 'undefined') {
      return true;
    } else {
      return false;
    }
  };

  _.xhr = function(cors) {
    if (cors) {
      if (typeof window.XMLHttpRequest !== 'undefined' && 'withCredentials' in new XMLHttpRequest()) {
        return new XMLHttpRequest();
      } else if (typeof XDomainRequest !== 'undefined') {
        return new XDomainRequest();
      } else {
        return null;
      }
    } else {
      if (typeof window.XMLHttpRequest !== 'undefined') {
        return new XMLHttpRequest();
      }
      if (window.ActiveXObject) {
        try {
          return new ActiveXObject('Msxml2.XMLHTTP');
        } catch (d) {
          try {
            return new ActiveXObject('Microsoft.XMLHTTP');
          } catch (d) {
            sd.log(d);
          }
        }
      }
    }
  };

  _.ajax = function(para) {
    para.timeout = para.timeout || 20000;

    para.credentials = typeof para.credentials === 'undefined' ? true : para.credentials;

    function getJSON(data) {
      if (!data) {
        return '';
      }
      try {
        return JSON.parse(data);
      } catch (e) {
        return {};
      }
    }

    var g = _.xhr(para.cors);

    if (!g) {
      return false;
    }

    if (!para.type) {
      para.type = para.data ? 'POST' : 'GET';
    }
    para = _.extend({
        success: function() {},
        error: function() {}
      },
      para
    );

    sd.debug.protocol.ajax(para.url);

    var oldsuccess = para.success;
    var olderror = para.error;
    var errorTimer;

    function abort() {
      try {
        if (_.isObject(g) && g.abort) {
          g.abort();
        }
      } catch (error) {
        sd.log(error);
      }

      if (errorTimer) {
        clearTimeout(errorTimer);
        errorTimer = null;
        para.error && para.error();
        g.onreadystatechange = null;
        g.onload = null;
        g.onerror = null;
      }
    }

    para.success = function(data) {
      oldsuccess(data);
      if (errorTimer) {
        clearTimeout(errorTimer);
        errorTimer = null;
      }
    };
    para.error = function(err) {
      olderror(err);
      if (errorTimer) {
        clearTimeout(errorTimer);
        errorTimer = null;
      }
    };
    errorTimer = setTimeout(function() {
      abort();
    }, para.timeout);

    if (typeof XDomainRequest !== 'undefined' && g instanceof XDomainRequest) {
      g.onload = function() {
        para.success && para.success(getJSON(g.responseText));
        g.onreadystatechange = null;
        g.onload = null;
        g.onerror = null;
      };
      g.onerror = function() {
        para.error && para.error(getJSON(g.responseText), g.status);
        g.onreadystatechange = null;
        g.onerror = null;
        g.onload = null;
      };
    }
    g.onreadystatechange = function() {
      try {
        if (g.readyState == 4) {
          if ((g.status >= 200 && g.status < 300) || g.status == 304) {
            para.success(getJSON(g.responseText));
          } else {
            para.error(getJSON(g.responseText), g.status);
          }
          g.onreadystatechange = null;
          g.onload = null;
        }
      } catch (e) {
        g.onreadystatechange = null;
        g.onload = null;
      }
    };

    g.open(para.type, para.url, true);

    try {
      if (para.credentials) {
        g.withCredentials = true;
      }
      if (_.isObject(para.header)) {
        _.each(para.header, function(v, i) {
          g.setRequestHeader && g.setRequestHeader(i, v);
        });
      }

      if (para.data) {
        if (!para.cors) {
          g.setRequestHeader && g.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
        }
        if (para.contentType === 'application/json') {
          g.setRequestHeader && g.setRequestHeader('Content-type', 'application/json; charset=UTF-8');
        } else {
          g.setRequestHeader && g.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
        }
      }
    } catch (e) {
      sd.log(e);
    }

    g.send(para.data || null);
  };

  _.loadScript = function(para) {
    para = _.extend({
        success: function() {},
        error: function() {},
        appendCall: function(g) {
          document.getElementsByTagName('head')[0].appendChild(g);
        }
      },
      para
    );

    var g = null;
    if (para.type === 'css') {
      g = document.createElement('link');
      g.rel = 'stylesheet';
      g.href = para.url;
    }
    if (para.type === 'js') {
      g = document.createElement('script');
      g.async = 'async';
      g.setAttribute('charset', 'UTF-8');
      g.src = para.url;
      g.type = 'text/javascript';
    }
    g.onload = g.onreadystatechange = function() {
      if (!this.readyState || this.readyState === 'loaded' || this.readyState === 'complete') {
        para.success();
        g.onload = g.onreadystatechange = null;
      }
    };
    g.onerror = function() {
      para.error();
      g.onerror = null;
    };
    para.appendCall(g);
  };

  _.getHostname = function(url, defaultValue) {
    if (!defaultValue || typeof defaultValue !== 'string') {
      defaultValue = 'hostname解析异常';
    }
    var hostname = null;
    try {
      hostname = _.URL(url).hostname;
    } catch (e) {
      sd.log('getHostname传入的url参数不合法！');
    }
    return hostname || defaultValue;
  };

  _.getQueryParamsFromUrl = function(url) {
    var result = {};
    var arr = url.split('?');
    var queryString = arr[1] || '';
    if (queryString) {
      result = _.getURLSearchParams('?' + queryString);
    }
    return result;
  };

  _.getURLSearchParams = function(queryString) {
    queryString = queryString || '';
    var decodeParam = function(str) {
      return decodeURIComponent(str);
    };
    var args = {};
    var query = queryString.substring(1);
    var pairs = query.split('&');
    for (var i = 0; i < pairs.length; i++) {
      var pos = pairs[i].indexOf('=');
      if (pos === -1) continue;
      var name = pairs[i].substring(0, pos);
      var value = pairs[i].substring(pos + 1);
      name = decodeParam(name);
      value = decodeParam(value);
      args[name] = value;
    }
    return args;
  };

  _.URL = function(url) {
    var result = {};
    var basicProps = ['hash', 'host', 'hostname', 'href', 'origin', 'password', 'pathname', 'port', 'protocol', 'search', 'username'];
    var isURLAPIWorking = function() {
      var url;
      try {
        url = new URL('http://modernizr.com/');
        return url.href === 'http://modernizr.com/';
      } catch (e) {
        return false;
      }
    };
    if (typeof window.URL === 'function' && isURLAPIWorking()) {
      result = new URL(url);
      if (!result.searchParams) {
        result.searchParams = (function() {
          var params = _.getURLSearchParams(result.search);
          return {
            get: function(searchParam) {
              return params[searchParam];
            }
          };
        })();
      }
    } else {
      var _regex = /^https?:\/\/.+/;
      if (_regex.test(url) === false) {
        sd.log('Invalid URL');
      }
      var instance = _.urlParse(url);
      result.hash = '';
      result.host = instance._values.Host ? instance._values.Host + (instance._values.Port ? ':' + instance._values.Port : '') : '';
      result.href = instance._values.URL;
      result.password = instance._values.Password;
      result.pathname = instance._values.Path;
      result.port = instance._values.Port;
      result.search = instance._values.QueryString ? '?' + instance._values.QueryString : '';
      result.username = instance._values.Username;
      result.hostname = instance._values.Hostname;
      result.protocol = instance._values.Protocol ? instance._values.Protocol + ':' : '';
      result.origin = instance._values.Origin ? instance._values.Origin + (instance._values.Port ? ':' + instance._values.Port : '') : '';
      result.searchParams = (function() {
        var params = _.getURLSearchParams('?' + instance._values.QueryString);
        return {
          get: function(searchParam) {
            return params[searchParam];
          }
        };
      })();
    }
    return result;
  };

  _.getCurrentDomain = function(url) {
    var sdDomain = sd.para.current_domain;
    switch (typeof sdDomain) {
      case 'function':
        var resultDomain = sdDomain();
        if (resultDomain === '' || _.trim(resultDomain) === '') {
          return 'url解析失败';
        } else if (resultDomain.indexOf('.') !== -1) {
          return resultDomain;
        } else {
          return 'url解析失败';
        }
        case 'string':
          if (sdDomain === '' || _.trim(sdDomain) === '') {
            return 'url解析失败';
          } else if (sdDomain.indexOf('.') !== -1) {
            return sdDomain;
          } else {
            return 'url解析失败';
          }
          default:
            var cookieTopLevelDomain = _.getCookieTopLevelDomain();
            if (url === '') {
              return 'url解析失败';
            } else if (cookieTopLevelDomain === '') {
              return 'url解析失败';
            } else {
              return cookieTopLevelDomain;
            }
    }
  };

  _.getCookieTopLevelDomain = function(hostname) {
    hostname = hostname || location.hostname;

    function validHostname(value) {
      if (value) {
        return value;
      } else {
        return false;
      }
    }
    var new_hostname = validHostname(hostname);
    if (!new_hostname) {
      return '';
    }
    var splitResult = new_hostname.split('.');
    if (_.isArray(splitResult) && splitResult.length >= 2 && !/^(\d+\.)+\d+$/.test(new_hostname)) {
      var domainStr = '.' + splitResult.splice(splitResult.length - 1, 1);
      while (splitResult.length > 0) {
        domainStr = '.' + splitResult.splice(splitResult.length - 1, 1) + domainStr;
        document.cookie = 'sensorsdata_domain_test=true; path=/; domain=' + domainStr;

        if (document.cookie.indexOf('sensorsdata_domain_test=true') !== -1) {
          var now = new Date();
          now.setTime(now.getTime() - 1000);

          document.cookie = 'sensorsdata_domain_test=true; expires=' + now.toGMTString() + '; path=/; domain=' + domainStr;

          return domainStr;
        }
      }
    }
    return '';
  };

  _.isReferralTraffic = function(refererstring) {
    refererstring = refererstring || document.referrer;
    if (refererstring === '') {
      return true;
    }

    return _.getCookieTopLevelDomain(_.getHostname(refererstring)) !== _.getCookieTopLevelDomain();
  };

  _.ry = function(dom) {
    return new _.ry.init(dom);
  };
  _.ry.init = function(dom) {
    this.ele = dom;
  };
  _.ry.init.prototype = {
    addClass: function(para) {
      var classes = ' ' + this.ele.className + ' ';
      if (classes.indexOf(' ' + para + ' ') === -1) {
        this.ele.className = this.ele.className + (this.ele.className === '' ? '' : ' ') + para;
      }
      return this;
    },
    removeClass: function(para) {
      var classes = ' ' + this.ele.className + ' ';
      if (classes.indexOf(' ' + para + ' ') !== -1) {
        this.ele.className = classes.replace(' ' + para + ' ', ' ').slice(1, -1);
      }
      return this;
    },
    hasClass: function(para) {
      var classes = ' ' + this.ele.className + ' ';
      if (classes.indexOf(' ' + para + ' ') !== -1) {
        return true;
      } else {
        return false;
      }
    },
    attr: function(key, value) {
      if (typeof key === 'string' && _.isUndefined(value)) {
        return this.ele.getAttribute(key);
      }
      if (typeof key === 'string') {
        value = String(value);
        this.ele.setAttribute(key, value);
      }
      return this;
    },
    offset: function() {
      var rect = this.ele.getBoundingClientRect();
      if (rect.width || rect.height) {
        var doc = this.ele.ownerDocument;
        var docElem = doc.documentElement;

        return {
          top: rect.top + window.pageYOffset - docElem.clientTop,
          left: rect.left + window.pageXOffset - docElem.clientLeft
        };
      } else {
        return {
          top: 0,
          left: 0
        };
      }
    },
    getSize: function() {
      if (!window.getComputedStyle) {
        return {
          width: this.ele.offsetWidth,
          height: this.ele.offsetHeight
        };
      }
      try {
        var bounds = this.ele.getBoundingClientRect();
        return {
          width: bounds.width,
          height: bounds.height
        };
      } catch (e) {
        return {
          width: 0,
          height: 0
        };
      }
    },
    getStyle: function(value) {
      if (this.ele.currentStyle) {
        return this.ele.currentStyle[value];
      } else {
        return this.ele.ownerDocument.defaultView.getComputedStyle(this.ele, null).getPropertyValue(value);
      }
    },
    wrap: function(elementTagName) {
      var ele = document.createElement(elementTagName);
      this.ele.parentNode.insertBefore(ele, this.ele);
      ele.appendChild(this.ele);
      return _.ry(ele);
    },
    getCssStyle: function(prop) {
      var result = this.ele.style.getPropertyValue(prop);
      if (result) {
        return result;
      }
      var rules = null;
      if (typeof window.getMatchedCSSRules === 'function') {
        rules = getMatchedCSSRules(this.ele);
      }
      if (!rules || !_.isArray(rules)) {
        return null;
      }
      for (var i = rules.length - 1; i >= 0; i--) {
        var r = rules[i];
        result = r.style.getPropertyValue(prop);
        if (result) {
          return result;
        }
      }
    },
    sibling: function(cur, dir) {
      while ((cur = cur[dir]) && cur.nodeType !== 1) {}
      return cur;
    },
    next: function() {
      return this.sibling(this.ele, 'nextSibling');
    },
    prev: function(elem) {
      return this.sibling(this.ele, 'previousSibling');
    },
    siblings: function(elem) {
      return this.siblings((this.ele.parentNode || {}).firstChild, this.ele);
    },
    children: function(elem) {
      return this.siblings(this.ele.firstChild);
    },
    parent: function() {
      var parent = this.ele.parentNode;
      parent = parent && parent.nodeType !== 11 ? parent : null;
      return _.ry(parent);
    },
    previousElementSibling: function() {
      var el = this.ele;
      if ('previousElementSibling' in document.documentElement) {
        return _.ry(el.previousElementSibling);
      } else {
        while ((el = el.previousSibling)) {
          if (el.nodeType === 1) {
            return _.ry(el);
          }
        }
        return _.ry(null);
      }
    },
    getSameTypeSiblings: function() {
      var element = this.ele;
      var parentNode = element.parentNode;
      var tagName = element.tagName.toLowerCase();
      var arr = [];
      for (var i = 0; i < parentNode.children.length; i++) {
        var child = parentNode.children[i];
        if (child.nodeType === 1 && child.tagName.toLowerCase() === tagName) {
          arr.push(parentNode.children[i]);
        }
      }
      return arr;
    }
  };

  _.strToUnicode = function(str) {
    if (typeof str !== 'string') {
      sd.log('转换unicode错误', str);
      return str;
    }
    var nstr = '';
    for (var i = 0; i < str.length; i++) {
      nstr += '\\' + str.charCodeAt(i).toString(16);
    }
    return nstr;
  };


  _.getReferrer = function(referrer) {
    var referrer = referrer || document.referrer;
    if (typeof referrer !== 'string') {
      return '取值异常_referrer异常_' + String(referrer);
    }
    if (referrer.indexOf('https://www.baidu.com/') === 0) {
      referrer = referrer.split('?')[0];
    }
    referrer = referrer.slice(0, sd.para.max_referrer_string_length);
    return typeof referrer === 'string' ? referrer : '';
  };

  _.getKeywordFromReferrer = function(referrerUrl) {
    referrerUrl = referrerUrl || document.referrer;
    var search_keyword = sd.para.source_type.keyword;
    if (document && typeof referrerUrl === 'string') {
      if (referrerUrl.indexOf('http') === 0) {
        var searchEngine = _.getReferSearchEngine(referrerUrl);
        var query = _.getQueryParamsFromUrl(referrerUrl);
        if (_.isEmptyObject(query)) {
          return '未取到值';
        }
        var temp = null;
        for (var i in search_keyword) {
          if (searchEngine === i) {
            if (typeof query === 'object') {
              temp = search_keyword[i];
              if (_.isArray(temp)) {
                for (var i = 0; i < temp.length; i++) {
                  var _value = query[temp[i]];
                  if (_value) {
                    return _value;
                  }
                }
              } else if (query[temp]) {
                return query[temp];
              }
            }
          }
        }
        return '未取到值';
      } else {
        if (referrerUrl === '') {
          return '未取到值_直接打开';
        } else {
          return '未取到值_非http的url';
        }
      }
    } else {
      return '取值异常_referrer异常_' + String(referrerUrl);
    }
  };

  _.getWxAdIdFromUrl = function(url) {
    var click_id = _.getQueryParam(url, 'gdt_vid');
    var hash_key = _.getQueryParam(url, 'hash_key');
    var callbacks = _.getQueryParam(url, 'callbacks');
    var obj = {
      click_id: '',
      hash_key: '',
      callbacks: ''
    };
    if (_.isString(click_id) && click_id.length) {
      obj.click_id = click_id.length == 16 || click_id.length == 18 ? click_id : '参数解析不合法';

      if (_.isString(hash_key) && hash_key.length) {
        obj.hash_key = hash_key;
      }
      if (_.isString(callbacks) && callbacks.length) {
        obj.callbacks = callbacks;
      }
    }

    return obj;
  };

  _.getReferSearchEngine = function(referrerUrl) {
    var hostname = _.getHostname(referrerUrl);
    if (!hostname || hostname === 'hostname解析异常') {
      return '';
    }
    var search_keyword = sd.para.source_type.keyword;
    var searchEngineUrls = {
      baidu: [/^.*\.baidu\.com$/],
      bing: [/^.*\.bing\.com$/],
      google: [/^www\.google\.com$/, /^www\.google\.com\.[a-z]{2}$/, /^www\.google\.[a-z]{2}$/],
      sm: [/^m\.sm\.cn$/],
      so: [/^.+\.so\.com$/],
      sogou: [/^.*\.sogou\.com$/],
      yahoo: [/^.*\.yahoo\.com$/]
    };
    for (var prop in searchEngineUrls) {
      var urls = searchEngineUrls[prop];
      for (var i = 0, len = urls.length; i < len; i++) {
        if (urls[i].test(hostname)) {
          return prop;
        }
      }
    }
    return '未知搜索引擎';
  };

  _.getSourceFromReferrer = function() {
    function getMatchStrFromArr(arr, str) {
      for (var i = 0; i < arr.length; i++) {
        if (str.split('?')[0].indexOf(arr[i]) !== -1) {
          return true;
        }
      }
    }

    var utm_reg = '(' + sd.para.source_type.utm.join('|') + ')\\=[^&]+';
    var search_engine = sd.para.source_type.search;
    var social_engine = sd.para.source_type.social;

    var referrer = document.referrer || '';
    var url = _.info.pageProp.url;
    if (url) {
      var utm_match = url.match(new RegExp(utm_reg));
      if (utm_match && utm_match[0]) {
        return '付费广告流量';
      } else if (getMatchStrFromArr(search_engine, referrer)) {
        return '自然搜索流量';
      } else if (getMatchStrFromArr(social_engine, referrer)) {
        return '社交网站流量';
      } else if (referrer === '') {
        return '直接流量';
      } else {
        return '引荐流量';
      }
    } else {
      return '获取url异常';
    }
  };

  _.info = {
    initPage: function() {
      var referrer = _.getReferrer();
      var url = location.href;
      var url_domain = _.getCurrentDomain(url);
      if (!url_domain) {
        sd.debug.jssdkDebug('url_domain异常_' + url + '_' + url_domain);
      }

      this.pageProp = {
        referrer: referrer,
        referrer_host: referrer ? _.getHostname(referrer) : '',
        url: url,
        url_host: _.getHostname(url, 'url_host取值异常'),
        url_domain: url_domain
      };
    },
    pageProp: {},

    campaignParams: function() {
      var campaign_keywords = sd.source_channel_standard.split(' '),
        kw = '',
        params = {};
      if (_.isArray(sd.para.source_channel) && sd.para.source_channel.length > 0) {
        campaign_keywords = campaign_keywords.concat(sd.para.source_channel);
        campaign_keywords = _.unique(campaign_keywords);
      }
      _.each(campaign_keywords, function(kwkey) {
        kw = _.getQueryParam(location.href, kwkey);
        if (kw.length) {
          params[kwkey] = kw;
        }
      });

      return params;
    },
    campaignParamsStandard: function(prefix, prefix_add) {
      prefix = prefix || '';
      prefix_add = prefix_add || '';
      var utms = _.info.campaignParams();
      var $utms = {},
        otherUtms = {};
      _.each(utms, function(v, i, utms) {
        if ((' ' + sd.source_channel_standard + ' ').indexOf(' ' + i + ' ') !== -1) {
          $utms[prefix + i] = utms[i];
        } else {
          otherUtms[prefix_add + i] = utms[i];
        }
      });
      return {
        $utms: $utms,
        otherUtms: otherUtms
      };
    },
    properties: function() {
      return {
        $timezone_offset: new Date().getTimezoneOffset(),
        $screen_height: Number(screen.height) || 0,
        $screen_width: Number(screen.width) || 0,
        $lib: 'js',
        $lib_version: String(sd.lib_version)
      };
    },
    currentProps: {},
    register: function(obj) {
      _.extend(_.info.currentProps, obj);
    }
  };

  _.autoExeQueue = function() {
    var queue = {
      items: [],
      enqueue: function(val) {
        this.items.push(val);
        this.start();
      },
      dequeue: function() {
        return this.items.shift();
      },
      getCurrentItem: function() {
        return this.items[0];
      },
      isRun: false,
      start: function() {
        if (this.items.length > 0 && !this.isRun) {
          this.isRun = true;
          this.getCurrentItem().start();
        }
      },
      close: function() {
        this.dequeue();
        this.isRun = false;
        this.start();
      }
    };
    return queue;
  };

  _.trackLink = function(obj, event_name, event_prop) {
    obj = obj || {};
    var link = null;
    if (obj.ele) {
      link = obj.ele;
    }
    if (obj.event) {
      if (obj.target) {
        link = obj.target;
      } else {
        link = obj.event.target;
      }
    }

    event_prop = event_prop || {};
    if (!link || typeof link !== 'object') {
      return false;
    }
    if (!link.href || /^javascript/.test(link.href) || link.target || link.download || link.onclick) {
      sd.track(event_name, event_prop);
      return false;
    }

    function linkFunc(e) {
      e.stopPropagation();
      e.preventDefault();
      var hasCalled = false;

      function track_a_click() {
        if (!hasCalled) {
          hasCalled = true;
          location.href = link.href;
        }
      }
      setTimeout(track_a_click, 1000);
      sd.track(event_name, event_prop, track_a_click);
    }
    if (obj.event) {
      linkFunc(obj.event);
    }
    if (obj.ele) {
      _.addEvent(obj.ele, 'click', function(e) {
        linkFunc(e);
      });
    }
  };

  _.eventEmitter = function() {
    this._events = [];
    this.pendingEvents = [];
  };

  _.eventEmitter.prototype = {
    emit: function(type) {
      var args = [].slice.call(arguments, 1);

      _.each(this._events, function(val) {
        if (val.type !== type) {
          return;
        }
        val.callback.apply(val.context, args);
      });
    },
    on: function(event, callback, context) {
      if (typeof callback !== 'function') {
        return;
      }
      this._events.push({
        type: event,
        callback: callback,
        context: context || this
      });
    },
    tempAdd: function(event, data) {
      if (!data || !event) {
        return;
      }

      this.pendingEvents.push({
        type: event,
        data: data
      });
      this.pendingEvents.length > 20 ? this.pendingEvents.shift() : null;
    },
    isReady: function() {
      var that = this;
      this.tempAdd = this.emit;

      if (this.pendingEvents.length === 0) {
        return;
      }
      _.each(this.pendingEvents, function(val) {
        that.emit(val.type, val.data);
      });

      this.pendingEvents = [];
    }
  };

  _.rot13obfs = function(str, key) {
    str = String(str);
    key = typeof key === 'number' ? key : 13;
    var n = 126;

    var chars = str.split('');

    for (var i = 0, len = chars.length; i < len; i++) {
      var c = chars[i].charCodeAt(0);

      if (c < n) {
        chars[i] = String.fromCharCode((chars[i].charCodeAt(0) + key) % n);
      }
    }

    return chars.join('');
  };

  _.rot13defs = function(str) {
    var key = 13,
      n = 126,
      str = String(str);

    return _.rot13obfs(str, n - key);
  };

  _.urlSafeBase64 = (function() {
    var ENC = {
      '+': '-',
      '/': '_',
      '=': '.'
    };
    var DEC = {
      '-': '+',
      _: '/',
      '.': '='
    };

    var encode = function(base64) {
      return base64.replace(/[+/=]/g, function(m) {
        return ENC[m];
      });
    };

    var decode = function(safe) {
      return safe.replace(/[-_.]/g, function(m) {
        return DEC[m];
      });
    };

    var trim = function(string) {
      return string.replace(/[.=]{1,2}$/, '');
    };

    var isBase64 = function(string) {
      return /^[A-Za-z0-9+/]*[=]{0,2}$/.test(string);
    };

    var isUrlSafeBase64 = function(string) {
      return /^[A-Za-z0-9_-]*[.]{0,2}$/.test(string);
    };

    return {
      encode: encode,
      decode: decode,
      trim: trim,
      isBase64: isBase64,
      isUrlSafeBase64: isUrlSafeBase64
    };
  })();

  _.setCssStyle = function(css) {
    var style = document.createElement('style');
    style.type = 'text/css';
    try {
      style.appendChild(document.createTextNode(css));
    } catch (e) {
      style.styleSheet.cssText = css;
    }
    var head = document.getElementsByTagName('head')[0];
    var firstScript = document.getElementsByTagName('script')[0];
    if (head) {
      if (head.children.length) {
        head.insertBefore(style, head.children[0]);
      } else {
        head.appendChild(style);
      }
    } else {
      firstScript.parentNode.insertBefore(style, firstScript);
    }
  };

  _.isIOS = function() {
    return !!navigator.userAgent.match(/iPhone|iPad|iPod/i);
  };

  _.getIOSVersion = function() {
    try {
      var version = navigator.appVersion.match(/OS (\d+)[._](\d+)[._]?(\d+)?/);
      return version && version[1] ? Number.parseInt(version[1], 10) : '';
    } catch (e) {
      return '';
    }
  };

  _.getUA = function() {
    var Sys = {};
    var ua = navigator.userAgent.toLowerCase();
    var s;
    if ((s = ua.match(/opera.([\d.]+)/))) {
      Sys.opera = Number(s[1].split('.')[0]);
    } else if ((s = ua.match(/msie ([\d.]+)/))) {
      Sys.ie = Number(s[1].split('.')[0]);
    } else if ((s = ua.match(/edge.([\d.]+)/))) {
      Sys.edge = Number(s[1].split('.')[0]);
    } else if ((s = ua.match(/firefox\/([\d.]+)/))) {
      Sys.firefox = Number(s[1].split('.')[0]);
    } else if ((s = ua.match(/chrome\/([\d.]+)/))) {
      Sys.chrome = Number(s[1].split('.')[0]);
    } else if ((s = ua.match(/version\/([\d.]+).*safari/))) {
      Sys.safari = Number(s[1].match(/^\d*.\d*/));
    }
    return Sys;
  };

  _.jsonp = function(obj) {
    if (!(_.isObject(obj) && _.isString(obj.callbackName))) {
      sd.log('JSONP 请求缺少 callbackName');
      return false;
    }
    obj.success = _.isFunction(obj.success) ? obj.success : function() {};
    obj.error = _.isFunction(obj.error) ? obj.error : function() {};
    obj.data = obj.data || '';
    var script = document.createElement('script');
    var head = document.getElementsByTagName('head')[0];
    var timer = null;
    head.appendChild(script);
    if (_.isNumber(obj.timeout)) {
      timer = setTimeout(function() {
        obj.error('timeout');
        window[obj.callbackName] = function() {
          sd.log('call jsonp error');
        };
        timer = null;
        head.removeChild(script);
      }, obj.timeout);
    }
    window[obj.callbackName] = function(data) {
      obj.success(data);
      window[obj.callbackName] = function() {
        sd.log('call jsonp error');
      };
      clearTimeout(timer);
      timer = null;
      head.removeChild(script);
    };
    if (obj.url.indexOf('?') > -1) {
      obj.url += '&callbackName=' + obj.callbackName;
    } else {
      obj.url += '?callbackName=' + obj.callbackName;
    }
    if (_.isObject(obj.data)) {
      var arr = [];
      _.each(obj.data, function(value, key) {
        arr.push(key + '=' + value);
      });
      obj.data = arr.join('&');
      obj.url += '&' + obj.data;
    }
    script.onerror = function(err) {
      window[obj.callbackName] = function() {
        sd.log('call jsonp error');
      };
      clearTimeout(timer);
      timer = null;
      head.removeChild(script);
      obj.error(err);
    };
    script.src = obj.url;
  };

  _.isSupportBeaconSend = function() {
    var Sys = _.getUA();
    var supported = false;
    var ua = navigator.userAgent.toLowerCase();
    if (/Android|webOS|iPhone|iPad|iPod|BlackBerry/i.test(navigator.userAgent)) {
      var reg = /os [\d._]*/gi;
      var verinfo = ua.match(reg);
      var version = (verinfo + '').replace(/[^0-9|_.]/gi, '').replace(/_/gi, '.');
      var ver = version.split('.');
      if (typeof Sys.safari === 'undefined') {
        Sys.safari = ver[0];
      }
      if (ver[0] && ver[0] < 13) {
        if (Sys.chrome > 41 || Sys.firefox > 30 || Sys.opera > 25 || Sys.safari > 12) {
          supported = true;
        }
      } else if (Sys.chrome > 41 || Sys.firefox > 30 || Sys.opera > 25 || Sys.safari > 11.3) {
        supported = true;
      }
    } else {
      if (Sys.chrome > 38 || Sys.edge > 13 || Sys.firefox > 30 || Sys.opera > 25 || Sys.safari > 11.0) {
        supported = true;
      }
    }
    return supported;
  };

  _.secCheck = {
    isHTTPURL: function(str) {
      if (typeof str !== 'string') return false;
      var _regex = /^https?:\/\/.+/;
      if (_regex.test(str) === false) {
        sd.log('Invalid URL');
        return false;
      }
      return true;
    },
    removeScriptProtocol: function(str) {
      if (typeof str !== 'string') return '';
      var _regex = /^\s*javascript:/i;
      while (_regex.test(str)) {
        str = str.replace(_regex, '');
      }
      return str;
    }
  };
})();;


sd.para_default = {
  preset_properties: {
    latest_utm: true,
    latest_traffic_source_type: true,
    latest_search_keyword: true,
    latest_referrer: true,
    latest_referrer_host: false,
    latest_landing_page: false,
    latest_wx_ad_click_id: undefined,
    url: true,
    title: true
  },
  encrypt_cookie: false,
  img_use_crossorigin: false,

  name: 'sa',
  max_referrer_string_length: 200,
  max_string_length: 500,
  cross_subdomain: true,
  show_log: true,
  is_debug: false,
  debug_mode: false,
  debug_mode_upload: false,

  session_time: 0,

  use_client_time: false,
  source_channel: [],

  send_type: 'image',

  vtrack_ignore: {},

  auto_init: true,

  is_track_single_page: false,

  is_single_page: false,

  batch_send: false,

  source_type: {},
  callback_timeout: 200,
  datasend_timeout: 3000,
  queue_timeout: 300,
  is_track_device_id: false,
  ignore_oom: true,
  app_js_bridge: false,
  url_is_decode: false
};

sd.addReferrerHost = function(data) {
  var defaultHost = '取值异常';
  if (_.isObject(data.properties)) {
    if (data.properties.$first_referrer) {
      data.properties.$first_referrer_host = _.getHostname(data.properties.$first_referrer, defaultHost);
    }
    if (data.type === 'track' || data.type === 'track_signup') {
      if ('$referrer' in data.properties) {
        data.properties.$referrer_host = data.properties.$referrer === '' ? '' : _.getHostname(data.properties.$referrer, defaultHost);
      }
      if (sd.para.preset_properties.latest_referrer && sd.para.preset_properties.latest_referrer_host) {
        data.properties.$latest_referrer_host = data.properties.$latest_referrer === '' ? '' : _.getHostname(data.properties.$latest_referrer, defaultHost);
      }
    }
  }
};

sd.addPropsHook = function(data) {
  if (sd.para.preset_properties && sd.para.preset_properties.url && (data.type === 'track' || data.type === 'track_signup') && typeof data.properties.$url === 'undefined') {
    data.properties.$url = _.isDecodeURI(sd.para.url_is_decode, window.location.href);
  }
  if (sd.para.preset_properties && sd.para.preset_properties.title && (data.type === 'track' || data.type === 'track_signup') && typeof data.properties.$title === 'undefined') {
    data.properties.$title = document.title;
  }
};

sd.initPara = function(para) {
  sd.para = para || sd.para || {};
  var latestObj = {};
  if (_.isObject(sd.para.is_track_latest)) {
    for (var latestProp in sd.para.is_track_latest) {
      latestObj['latest_' + latestProp] = sd.para.is_track_latest[latestProp];
    }
  }
  sd.para.preset_properties = _.extend({}, sd.para_default.preset_properties, latestObj, sd.para.preset_properties || {});

  var i;
  for (i in sd.para_default) {
    if (sd.para[i] === void 0) {
      sd.para[i] = sd.para_default[i];
    }
  }
  if (typeof sd.para.server_url === 'string') {
    sd.para.server_url = _.trim(sd.para.server_url);
    if (sd.para.server_url) {
      if (sd.para.server_url.slice(0, 3) === '://') {
        sd.para.server_url = location.protocol.slice(0, -1) + sd.para.server_url;
      } else if (sd.para.server_url.slice(0, 2) === '//') {
        sd.para.server_url = location.protocol + sd.para.server_url;
      } else if (sd.para.server_url.slice(0, 4) !== 'http') {
        sd.para.server_url = '';
      }
    }
  } else {
    sd.para.server_url = '';
  }

  if (typeof sd.para.web_url === 'string' && (sd.para.web_url.slice(0, 3) === '://' || sd.para.web_url.slice(0, 2) === '//')) {
    if (sd.para.web_url.slice(0, 3) === '://') {
      sd.para.web_url = location.protocol.slice(0, -1) + sd.para.web_url;
    } else {
      sd.para.web_url = location.protocol + sd.para.web_url;
    }
  }

  if (sd.para.send_type !== 'image' && sd.para.send_type !== 'ajax' && sd.para.send_type !== 'beacon') {
    sd.para.send_type = 'image';
  }

  sd.debug.protocol.serverUrl();

  sd.bridge.initPara();
  sd.bridge.initState();

  var batch_send_default = {
    datasend_timeout: 6000,
    send_interval: 6000
  };

  if (_.localStorage.isSupport() && _.isSupportCors() && typeof localStorage === 'object') {
    if (sd.para.batch_send === true) {
      sd.para.batch_send = _.extend({}, batch_send_default);
      sd.para.use_client_time = true;
    } else if (typeof sd.para.batch_send === 'object') {
      sd.para.use_client_time = true;
      sd.para.batch_send = _.extend({}, batch_send_default, sd.para.batch_send);
    }
  } else {
    sd.para.batch_send = false;
  }

  var utm_type = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_content', 'utm_term'];
  var search_type = ['www.baidu.', 'm.baidu.', 'm.sm.cn', 'so.com', 'sogou.com', 'youdao.com', 'google.', 'yahoo.com/', 'bing.com/', 'ask.com/'];
  var social_type = ['weibo.com', 'renren.com', 'kaixin001.com', 'douban.com', 'qzone.qq.com', 'zhihu.com', 'tieba.baidu.com', 'weixin.qq.com'];
  var search_keyword = {
    baidu: ['wd', 'word', 'kw', 'keyword'],
    google: 'q',
    bing: 'q',
    yahoo: 'p',
    sogou: ['query', 'keyword'],
    so: 'q',
    sm: 'q'
  };

  if (typeof sd.para.source_type === 'object') {
    sd.para.source_type.utm = _.isArray(sd.para.source_type.utm) ? sd.para.source_type.utm.concat(utm_type) : utm_type;
    sd.para.source_type.search = _.isArray(sd.para.source_type.search) ? sd.para.source_type.search.concat(search_type) : search_type;
    sd.para.source_type.social = _.isArray(sd.para.source_type.social) ? sd.para.source_type.social.concat(social_type) : social_type;
    sd.para.source_type.keyword = _.isObject(sd.para.source_type.keyword) ? _.extend(search_keyword, sd.para.source_type.keyword) : search_keyword;
  }
  var collect_tags_default = {
    div: false
  };
  var ignore_tags_default = ['mark', '/mark', 'strong', 'b', 'em', 'i', 'u', 'abbr', 'ins', 'del', 's', 'sup'];
  if (_.isObject(sd.para.heatmap)) {
    sd.para.heatmap.clickmap = sd.para.heatmap.clickmap || 'default';
    sd.para.heatmap.scroll_notice_map = sd.para.heatmap.scroll_notice_map || 'default';
    sd.para.heatmap.scroll_delay_time = sd.para.heatmap.scroll_delay_time || 4000;
    sd.para.heatmap.scroll_event_duration = sd.para.heatmap.scroll_event_duration || 18000;
    sd.para.heatmap.renderRefreshTime = sd.para.heatmap.renderRefreshTime || 1000;
    sd.para.heatmap.loadTimeout = sd.para.heatmap.loadTimeout || 1000;
    var trackAttrs = _.isArray(sd.para.heatmap.track_attr) ?
      _.filter(sd.para.heatmap.track_attr, function(v) {
        return v && typeof v === 'string';
      }) :
      [];
    trackAttrs.push('data-sensors-click');
    sd.para.heatmap.track_attr = trackAttrs;

    if (_.isObject(sd.para.heatmap.collect_tags)) {
      if (sd.para.heatmap.collect_tags.div === true) {
        sd.para.heatmap.collect_tags.div = {
          ignore_tags: ignore_tags_default
        };
      } else if (_.isObject(sd.para.heatmap.collect_tags.div)) {
        if (sd.para.heatmap.collect_tags.div.ignore_tags) {
          if (!_.isArray(sd.para.heatmap.collect_tags.div.ignore_tags)) {
            sd.log('ignore_tags 参数必须是数组格式');
            sd.para.heatmap.collect_tags.div.ignore_tags = ignore_tags_default;
          }
        } else {
          sd.para.heatmap.collect_tags.div.ignore_tags = ignore_tags_default;
        }
      } else {
        sd.para.heatmap.collect_tags.div = false;
      }
    } else {
      sd.para.heatmap.collect_tags = collect_tags_default;
    }
  }
  if (_.isArray(sd.para.server_url) && sd.para.server_url.length) {
    for (i = 0; i < sd.para.server_url.length; i++) {
      if (!/sa\.gif[^\/]*$/.test(sd.para.server_url[i])) {
        sd.para.server_url[i] = sd.para.server_url[i].replace(/\/sa$/, '/sa.gif').replace(/(\/sa)(\?[^\/]+)$/, '/sa.gif$2');
      }
    }
  } else if (!/sa\.gif[^\/]*$/.test(sd.para.server_url) && typeof sd.para.server_url === 'string') {
    sd.para.server_url = sd.para.server_url.replace(/\/sa$/, '/sa.gif').replace(/(\/sa)(\?[^\/]+)$/, '/sa.gif$2');
  }
  if (typeof sd.para.server_url === 'string') {
    sd.para.debug_mode_url = sd.para.debug_mode_url || sd.para.server_url.replace('sa.gif', 'debug');
  }
  if (sd.para.noCache === true) {
    sd.para.noCache = '?' + new Date().getTime();
  } else {
    sd.para.noCache = '';
  }

  if (sd.para.callback_timeout > sd.para.datasend_timeout) {
    sd.para.datasend_timeout = sd.para.callback_timeout;
  }
  if (sd.para.callback_timeout > sd.para.queue_timeout) {
    sd.para.queue_timeout = sd.para.callback_timeout;
  }
  if (sd.para.queue_timeout > sd.para.datasend_timeout) {
    sd.para.datasend_timeout = sd.para.queue_timeout;
  }
};

sd.readyState = {
  state: 0,
  historyState: [],
  stateType: {
    1: '1-init未开始',
    2: '2-init开始',
    3: '3-store完成'
  },
  getState: function() {
    return this.historyState.join('\n');
  },
  setState: function(n) {
    if (String(n) in this.stateType) {
      this.state = n;
    }
    this.historyState.push(this.stateType[n]);
  }
};

sd.setPreConfig = function(sa) {
  sd.para = sa.para;
  sd._q = sa._q;
};

sd.setInitVar = function() {
  sd._t = sd._t || 1 * new Date();
  sd.lib_version = '1.16.13';
  sd.is_first_visitor = false;
  sd.source_channel_standard = 'utm_source utm_medium utm_campaign utm_content utm_term';
};

sd.log = function() {
  if ((_.sessionStorage.isSupport() && sessionStorage.getItem('sensorsdata_jssdk_debug') === 'true') || sd.para.show_log) {
    if (_.isObject(arguments[0]) && (sd.para.show_log === true || sd.para.show_log === 'string' || sd.para.show_log === false)) {
      arguments[0] = _.formatJsonString(arguments[0]);
    }

    if (typeof console === 'object' && console.log) {
      try {
        return console.log.apply(console, arguments);
      } catch (e) {
        console.log(arguments[0]);
      }
    }
  }
};

sd.enableLocalLog = function() {
  if (_.sessionStorage.isSupport()) {
    try {
      sessionStorage.setItem('sensorsdata_jssdk_debug', 'true');
    } catch (e) {
      sd.log('enableLocalLog error: ' + e.message);
    }
  }
};

sd.disableLocalLog = function() {
  if (_.sessionStorage.isSupport()) {
    sessionStorage.removeItem('sensorsdata_jssdk_debug');
  }
};

sd.debug = {
  distinct_id: function() {},
  jssdkDebug: function() {},
  _sendDebug: function(debugString) {
    sd.track('_sensorsdata2019_debug', {
      _jssdk_debug_info: debugString
    });
  },
  apph5: function(obj) {
    var name = 'app_h5打通失败-';
    var relation = {
      1: name + 'use_app_track为false',
      2: name + 'Android或者iOS，没有暴露相应方法',
      3.1: name + 'Android校验server_url失败',
      3.2: name + 'iOS校验server_url失败',
      4.1: name + 'H5 校验 iOS server_url 失败',
      4.2: name + 'H5 校验 Android server_url 失败'
    };
    var output = obj.output;
    var step = obj.step;
    var data = obj.data || '';
    if (output === 'all' || output === 'console') {
      sd.log(relation[step]);
    }
    if ((output === 'all' || output === 'code') && _.isObject(sd.para.is_debug) && sd.para.is_debug.apph5) {
      if (!data.type || data.type.slice(0, 7) !== 'profile') {
        data.properties._jssdk_debug_info = 'apph5-' + String(step);
      }
    }
  },
  defineMode: function(type) {
    var debugList = {
      1: {
        title: '当前页面无法进行可视化全埋点',
        message: 'App SDK 与 Web JS SDK 没有进行打通，请联系贵方技术人员修正 App SDK 的配置，详细信息请查看文档。',
        link_text: '配置文档',
        link_url: 'https://manual.sensorsdata.cn/sa/latest/tech_sdk_client_link-1573913.html'
      },
      2: {
        title: '当前页面无法进行可视化全埋点',
        message: 'App SDK 与 Web JS SDK 没有进行打通，请联系贵方技术人员修正 Web JS SDK 的配置，详细信息请查看文档。',
        link_text: '配置文档',
        link_url: 'https://manual.sensorsdata.cn/sa/latest/tech_sdk_client_link-1573913.html'
      },
      3: {
        title: '当前页面无法进行可视化全埋点',
        message: 'Web JS SDK 没有开启全埋点配置，请联系贵方工作人员修正 SDK 的配置，详细信息请查看文档。',
        link_text: '配置文档',
        link_url: 'https://manual.sensorsdata.cn/sa/latest/tech_sdk_client_web_all-1573964.html'
      },
      4: {
        title: '当前页面无法进行可视化全埋点',
        message: 'Web JS SDK 配置的数据校验地址与 App SDK 配置的数据校验地址不一致，请联系贵方工作人员修正 SDK 的配置，详细信息请查看文档。',
        link_text: '配置文档',
        link_url: 'https://manual.sensorsdata.cn/sa/latest/tech_sdk_client_link-1573913.html'
      }
    };
    if (type && debugList[type]) {
      return debugList[type];
    } else {
      return false;
    }
  },
  protocol: {
    protocolIsSame: function(url1, url2) {
      try {
        if (_.URL(url1).protocol !== _.URL(url2).protocol) {
          return false;
        }
      } catch (error) {
        sd.log('不支持 _.URL 方法');
        return false;
      }
      return true;
    },
    serverUrl: function() {
      if (_.isString(sd.para.server_url) && sd.para.server_url !== '' && !this.protocolIsSame(sd.para.server_url, location.href)) {
        sd.log('SDK 检测到您的数据发送地址和当前页面地址的协议不一致，建议您修改成一致的协议。\n因为：1、https 下面发送 http 的图片请求会失败。2、http 页面使用 https + ajax 方式发数据，在 ie9 及以下会丢失数据。');
      }
    },
    ajax: function(url) {
      if (url === sd.para.server_url) {
        return false;
      }
      if (_.isString(url) && url !== '' && !this.protocolIsSame(url, location.href)) {
        sd.log('SDK 检测到您的数据发送地址和当前页面地址的协议不一致，建议您修改成一致的协议。因为 http 页面使用 https + ajax 方式发数据，在 ie9 及以下会丢失数据。');
      }
    }
  }
};

var commonWays = {
  setOnlineState: function(state) {
    if (state === true && _.isObject(sd.para.jsapp) && typeof sd.para.jsapp.getData === 'function') {
      sd.para.jsapp.isOnline = true;
      var arr = sd.para.jsapp.getData();
      if (_.isArray(arr) && arr.length > 0) {
        _.each(arr, function(str) {
          if (_.isJSONString(str)) {
            sd.sendState.pushSend(JSON.parse(str));
          }
        });
      }
    } else {
      sd.para.jsapp.isOnline = false;
    }
  },
  autoTrackIsUsed: false,
  isReady: function(callback) {
    callback();
  },
  getUtm: function() {
    return _.info.campaignParams();
  },
  getStayTime: function() {
    return (new Date() - sd._t) / 1000;
  },
  setProfileLocal: function(obj) {
    if (!_.localStorage.isSupport()) {
      sd.setProfile(obj);
      return false;
    }
    if (!_.isObject(obj) || _.isEmptyObject(obj)) {
      return false;
    }
    var saveData = _.localStorage.parse('sensorsdata_2015_jssdk_profile');
    var isNeedSend = false;
    if (_.isObject(saveData) && !_.isEmptyObject(saveData)) {
      for (var i in obj) {
        if ((i in saveData && saveData[i] !== obj[i]) || !(i in saveData)) {
          saveData[i] = obj[i];
          isNeedSend = true;
        }
      }
      if (isNeedSend) {
        _.localStorage.set('sensorsdata_2015_jssdk_profile', JSON.stringify(saveData));
        sd.setProfile(obj);
      }
    } else {
      _.localStorage.set('sensorsdata_2015_jssdk_profile', JSON.stringify(obj));
      sd.setProfile(obj);
    }
  },
  setInitReferrer: function() {
    var _referrer = _.getReferrer();
    sd.setOnceProfile({
      _init_referrer: _referrer,
      _init_referrer_host: _.info.pageProp.referrer_host
    });
  },
  setSessionReferrer: function() {
    var _referrer = _.getReferrer();
    store.setSessionPropsOnce({
      _session_referrer: _referrer,
      _session_referrer_host: _.info.pageProp.referrer_host
    });
  },
  setDefaultAttr: function() {
    _.info.register({
      _current_url: location.href,
      _referrer: _.getReferrer(),
      _referring_host: _.info.pageProp.referrer_host
    });
  },
  trackHeatMap: function(target, props, callback) {
    if (typeof target === 'object' && target.tagName) {
      var tagName = target.tagName.toLowerCase();
      var parent_ele = target.parentNode.tagName.toLowerCase();
      var trackAttrs = sd.para.heatmap && sd.para.heatmap.track_attr ? sd.para.heatmap.track_attr : ['data-sensors-click'];
      if (tagName !== 'button' && tagName !== 'a' && parent_ele !== 'a' && parent_ele !== 'button' && tagName !== 'input' && tagName !== 'textarea' && !_.hasAttributes(target, trackAttrs)) {
        heatmap.start(null, target, tagName, props, callback);
      }
    }
  },
  trackAllHeatMap: function(target, props, callback) {
    if (typeof target === 'object' && target.tagName) {
      var tagName = target.tagName.toLowerCase();
      heatmap.start(null, target, tagName, props, callback);
    }
  },
  autoTrackSinglePage: function(para, callback) {
    if (this.autoTrackIsUsed) {
      var url = _.info.pageProp.url;
    } else {
      var url = _.info.pageProp.referrer;
    }
    para = _.isObject(para) ? para : {};

    para = _.isObject(para) ? para : {};

    function getUtm() {
      var utms = _.info.campaignParams();
      var $utms = {};
      _.each(utms, function(v, i, utms) {
        if ((' ' + sd.source_channel_standard + ' ').indexOf(' ' + i + ' ') !== -1) {
          $utms['$' + i] = utms[i];
        } else {
          $utms[i] = utms[i];
        }
      });
      return $utms;
    }

    if (sd.is_first_visitor && !para.not_set_profile) {
      sd.setOnceProfile(
        _.extend({
            $first_visit_time: new Date(),
            $first_referrer: _.isDecodeURI(sd.para.url_is_decode, _.getReferrer()),
            $first_browser_language: navigator.language || '取值异常',
            $first_browser_charset: typeof document.charset === 'string' ? document.charset.toUpperCase() : '取值异常',
            $first_traffic_source_type: _.getSourceFromReferrer(),
            $first_search_keyword: _.getKeywordFromReferrer()
          },
          getUtm()
        )
      );
      sd.is_first_visitor = false;
    }
    if (para.not_set_profile) {
      delete para.not_set_profile;
    }

    function closure(p, c) {
      sd.track(
        '$pageview',
        _.extend({
            $referrer: _.isDecodeURI(sd.para.url_is_decode, url),
            $url: _.isDecodeURI(sd.para.url_is_decode, location.href),
            $url_path: location.pathname,
            $title: document.title
          },
          p,
          getUtm()
        ),
        c
      );
      url = location.href;
    }
    closure(para, callback);
    this.autoTrackSinglePage = closure;
  },
  autoTrackWithoutProfile: function(para, callback) {
    para = _.isObject(para) ? para : {};
    this.autoTrack(_.extend(para, {
      not_set_profile: true
    }), callback);
  },
  autoTrack: function(para, callback) {
    para = _.isObject(para) ? para : {};

    var utms = _.info.campaignParams();
    var $utms = {};
    _.each(utms, function(v, i, utms) {
      if ((' ' + sd.source_channel_standard + ' ').indexOf(' ' + i + ' ') !== -1) {
        $utms['$' + i] = utms[i];
      } else {
        $utms[i] = utms[i];
      }
    });
    if (sd.is_first_visitor && !para.not_set_profile) {
      sd.setOnceProfile(
        _.extend({
            $first_visit_time: new Date(),
            $first_referrer: _.isDecodeURI(sd.para.url_is_decode, _.getReferrer()),
            $first_browser_language: navigator.language || '取值异常',
            $first_browser_charset: typeof document.charset === 'string' ? document.charset.toUpperCase() : '取值异常',
            $first_traffic_source_type: _.getSourceFromReferrer(),
            $first_search_keyword: _.getKeywordFromReferrer()
          },
          $utms
        )
      );
      sd.is_first_visitor = false;
    }
    if (para.not_set_profile) {
      delete para.not_set_profile;
    }

    var current_page_url = location.href;

    if (sd.para.is_single_page) {
      _.addHashEvent(function() {
        var referrer = _.getReferrer(current_page_url);
        sd.track(
          '$pageview',
          _.extend({
              $referrer: _.isDecodeURI(sd.para.url_is_decode, referrer),
              $url: _.isDecodeURI(sd.para.url_is_decode, location.href),
              $url_path: location.pathname,
              $title: document.title
            },
            $utms,
            para
          ),
          callback
        );
        current_page_url = location.href;
      });
    }
    sd.track(
      '$pageview',
      _.extend({
          $referrer: _.isDecodeURI(sd.para.url_is_decode, _.getReferrer()),
          $url: _.isDecodeURI(sd.para.url_is_decode, location.href),
          $url_path: location.pathname,
          $title: document.title
        },
        $utms,
        para
      ),
      callback
    );
    this.autoTrackIsUsed = true;
  },
  getAnonymousID: function() {
    if (_.isEmptyObject(sd.store._state)) {
      return '请先初始化SDK';
    } else {
      return sd.store._state._first_id || sd.store._state.first_id || sd.store._state._distinct_id || sd.store._state.distinct_id;
    }
  },
  setPlugin: function(para) {
    if (!_.isObject(para)) {
      return false;
    }
    _.each(para, function(v, k) {
      if (_.isFunction(v)) {
        if (_.isObject(window.SensorsDataWebJSSDKPlugin) && window.SensorsDataWebJSSDKPlugin[k]) {
          v(window.SensorsDataWebJSSDKPlugin[k]);
        } else {
          sd.log(k + '没有获取到,请查阅文档，调整' + k + '的引入顺序！');
        }
      }
    });
  },
  useModulePlugin: function() {
    sd.use.apply(sd, arguments);
  },
  useAppPlugin: function() {
    this.setPlugin.apply(this, arguments);
  }
};

sd.quick = function() {
  var arg = Array.prototype.slice.call(arguments);
  var arg0 = arg[0];
  var arg1 = arg.slice(1);
  if (typeof arg0 === 'string' && commonWays[arg0]) {
    return commonWays[arg0].apply(commonWays, arg1);
  } else if (typeof arg0 === 'function') {
    arg0.apply(sd, arg1);
  } else {
    sd.log('quick方法中没有这个功能' + arg[0]);
  }
};


sd.use = function(name, option) {
  if (!_.isString(name)) {
    sd.log('use插件名称必须是字符串！');
    return false;
  }

  if (_.isObject(window.SensorsDataWebJSSDKPlugin) && _.isObject(window.SensorsDataWebJSSDKPlugin[name]) && _.isFunction(window.SensorsDataWebJSSDKPlugin[name].init)) {
    window.SensorsDataWebJSSDKPlugin[name].init(sd, option);
    return window.SensorsDataWebJSSDKPlugin[name];
  } else if (_.isObject(sd.modules) && _.isObject(sd.modules[name]) && _.isFunction(sd.modules[name].init)) {
    sd.modules[name].init(sd, option);
    return sd.modules[name];
  } else {
    sd.log(name + '没有获取到,请查阅文档，调整' + name + '的引入顺序！');
  }
};

sd.track = function(e, p, c) {
  if (saEvent.check({
      event: e,
      properties: p
    })) {
    saEvent.send({
        type: 'track',
        event: e,
        properties: p
      },
      c
    );
  }
};

sd.trackLink = function(link, event_name, event_prop) {
  if (typeof link === 'object' && link.tagName) {
    _.trackLink({
      ele: link
    }, event_name, event_prop);
  } else if (typeof link === 'object' && link.target && link.event) {
    _.trackLink(link, event_name, event_prop);
  }
};
sd.trackLinks = function(link, event_name, event_prop) {
  var ele = link;
  event_prop = event_prop || {};
  if (!link || typeof link !== 'object') {
    return false;
  }
  if (!link.href || /^javascript/.test(link.href) || link.target) {
    return false;
  }
  _.addEvent(link, 'click', function(e) {
    e.preventDefault();
    var hasCalled = false;
    setTimeout(track_a_click, 1000);

    function track_a_click() {
      if (!hasCalled) {
        hasCalled = true;
        location.href = link.href;
      }
    }
    sd.track(event_name, event_prop, track_a_click);
  });
};

sd.setProfile = function(p, c) {
  if (saEvent.check({
      propertiesMust: p
    })) {
    saEvent.send({
        type: 'profile_set',
        properties: p
      },
      c
    );
  }
};

sd.setOnceProfile = function(p, c) {
  if (saEvent.check({
      propertiesMust: p
    })) {
    saEvent.send({
        type: 'profile_set_once',
        properties: p
      },
      c
    );
  }
};

sd.appendProfile = function(p, c) {
  if (saEvent.check({
      propertiesMust: p
    })) {
    _.each(p, function(value, key) {
      if (_.isString(value)) {
        p[key] = [value];
      } else if (_.isArray(value)) {
        p[key] = value;
      } else {
        delete p[key];
        sd.log('appendProfile属性的值必须是字符串或者数组');
      }
    });
    if (!_.isEmptyObject(p)) {
      saEvent.send({
          type: 'profile_append',
          properties: p
        },
        c
      );
    }
  }
};
sd.incrementProfile = function(p, c) {
  var str = p;
  if (_.isString(p)) {
    p = {};
    p[str] = 1;
  }

  function isChecked(p) {
    for (var i in p) {
      if (Object.prototype.hasOwnProperty.call(p, i) && !/-*\d+/.test(String(p[i]))) {
        return false;
      }
    }
    return true;
  }

  if (saEvent.check({
      propertiesMust: p
    })) {
    if (isChecked(p)) {
      saEvent.send({
          type: 'profile_increment',
          properties: p
        },
        c
      );
    } else {
      sd.log('profile_increment的值只能是数字');
    }
  }
};

sd.deleteProfile = function(c) {
  saEvent.send({
      type: 'profile_delete'
    },
    c
  );
  store.set('distinct_id', _.UUID());
  store.set('first_id', '');
};
sd.unsetProfile = function(p, c) {
  var str = p;
  var temp = {};
  if (_.isString(p)) {
    p = [];
    p.push(str);
  }
  if (_.isArray(p)) {
    _.each(p, function(v) {
      if (_.isString(v)) {
        temp[v] = true;
      } else {
        sd.log('profile_unset给的数组里面的值必须时string,已经过滤掉', v);
      }
    });
    saEvent.send({
        type: 'profile_unset',
        properties: temp
      },
      c
    );
  } else {
    sd.log('profile_unset的参数是数组');
  }
};
sd.identify = function(id, isSave) {
  if (typeof id === 'number') {
    id = String(id);
  }
  var firstId = store.getFirstId();
  if (typeof id === 'undefined') {
    var uuid = _.UUID();
    if (firstId) {
      store.set('first_id', uuid);
    } else {
      store.set('distinct_id', uuid);
    }
  } else if (saEvent.check({
      distinct_id: id
    })) {
    if (isSave === true) {
      if (firstId) {
        store.set('first_id', id);
      } else {
        store.set('distinct_id', id);
      }
    } else {
      if (firstId) {
        store.change('first_id', id);
      } else {
        store.change('distinct_id', id);
      }
    }
  } else {
    sd.log('identify的参数必须是字符串');
  }
};
sd.trackSignup = function(id, e, p, c) {
  if (saEvent.check({
      distinct_id: id,
      event: e,
      properties: p
    })) {
    var original_id = store.getFirstId() || store.getDistinctId();
    store.set('distinct_id', id);
    saEvent.send({
        original_id: original_id,
        distinct_id: id,
        type: 'track_signup',
        event: e,
        properties: p
      },
      c
    );
  }
};


sd.registerPage = function(obj) {
  if (saEvent.check({
      properties: obj
    })) {
    _.extend(_.info.currentProps, obj);
  } else {
    sd.log('register输入的参数有误');
  }
};

sd.clearAllRegister = function(arr) {
  store.clearAllProps(arr);
};

sd.clearPageRegister = function(arr) {
  if (_.isArray(arr) && arr.length > 0) {
    for (var i = 0; i < arr.length; i++) {
      if (_.isString(arr[i]) && arr[i] in _.info.currentProps) {
        delete _.info.currentProps[arr[i]];
      }
    }
  } else if (arr === true) {
    for (var i in _.info.currentProps) {
      delete _.info.currentProps[i];
    }
  }
};

sd.register = function(props) {
  if (saEvent.check({
      properties: props
    })) {
    store.setProps(props);
  } else {
    sd.log('register输入的参数有误');
  }
};

sd.registerOnce = function(props) {
  if (saEvent.check({
      properties: props
    })) {
    store.setPropsOnce(props);
  } else {
    sd.log('registerOnce输入的参数有误');
  }
};

sd.registerSession = function(props) {
  if (saEvent.check({
      properties: props
    })) {
    store.setSessionProps(props);
  } else {
    sd.log('registerSession输入的参数有误');
  }
};

sd.registerSessionOnce = function(props) {
  if (saEvent.check({
      properties: props
    })) {
    store.setSessionPropsOnce(props);
  } else {
    sd.log('registerSessionOnce输入的参数有误');
  }
};

sd.login = function(id, callback) {
  if (typeof id === 'number') {
    id = String(id);
  }
  if (saEvent.check({
      distinct_id: id
    })) {
    var firstId = store.getFirstId();
    var distinctId = store.getDistinctId();
    if (id !== distinctId) {
      if (!firstId) {
        store.set('first_id', distinctId);
      }
      sd.trackSignup(id, '$SignUp', {}, callback);
    } else {
      callback && callback();
    }
  } else {
    sd.log('login的参数必须是字符串');
    callback && callback();
  }
};

sd.logout = function(isChangeId) {
  var firstId = store.getFirstId();
  if (firstId) {
    store.set('first_id', '');
    if (isChangeId === true) {
      var uuid = _.UUID();
      store.set('distinct_id', uuid);
    } else {
      store.set('distinct_id', firstId);
    }
  } else {
    sd.log('没有first_id，logout失败');
  }
};

sd.getPresetProperties = function() {
  function getUtm() {
    var utms = _.info.campaignParams();
    var $utms = {};
    _.each(utms, function(v, i, utms) {
      if ((' ' + sd.source_channel_standard + ' ').indexOf(' ' + i + ' ') !== -1) {
        $utms['$' + i] = utms[i];
      } else {
        $utms[i] = utms[i];
      }
    });
    return $utms;
  }

  var obj = {
    $is_first_day: _.cookie.getNewUser(),
    $referrer: _.isDecodeURI(sd.para.url_is_decode, _.info.pageProp.referrer) || '',
    $referrer_host: _.info.pageProp.referrer ? _.getHostname(_.info.pageProp.referrer) : '',
    $url: _.isDecodeURI(sd.para.url_is_decode, location.href),
    $url_path: location.pathname,
    $title: document.title || '',
    _distinct_id: store.getDistinctId()
  };
  var result = _.extend({}, _.info.properties(), sd.store.getProps(), getUtm(), obj);
  if (sd.para.preset_properties.latest_referrer && sd.para.preset_properties.latest_referrer_host) {
    result.$latest_referrer_host = result.$latest_referrer === '' ? '' : _.getHostname(result.$latest_referrer);
  }
  return result;
};

sd.detectMode = function() {
  var heatmapMode = {
    searchKeywordMatch: location.search.match(/sa-request-id=([^&#]+)/),
    isSeachHasKeyword: function() {
      var match = this.searchKeywordMatch;
      if (match && match[0] && match[1]) {
        if (typeof sessionStorage.getItem('sensors-visual-mode') === 'string') {
          sessionStorage.removeItem('sensors-visual-mode');
        }
        return true;
      } else {
        return false;
      }
    },
    hasKeywordHandle: function() {
      var match = this.searchKeywordMatch;
      var type = location.search.match(/sa-request-type=([^&#]+)/);
      var web_url = location.search.match(/sa-request-url=([^&#]+)/);
      heatmap.setNotice(web_url);
      if (_.sessionStorage.isSupport()) {
        if (web_url && web_url[0] && web_url[1]) {
          sessionStorage.setItem('sensors_heatmap_url', decodeURIComponent(web_url[1]));
        }
        sessionStorage.setItem('sensors_heatmap_id', match[1]);
        if (type && type[0] && type[1]) {
          if (type[1] === '1' || type[1] === '2' || type[1] === '3') {
            type = type[1];
            sessionStorage.setItem('sensors_heatmap_type', type);
          } else {
            type = null;
          }
        } else {
          if (sessionStorage.getItem('sensors_heatmap_type') !== null) {
            type = sessionStorage.getItem('sensors_heatmap_type');
          } else {
            type = null;
          }
        }
      }
      this.isReady(match[1], type);
    },
    isReady: function(data, type, url) {
      if (sd.para.heatmap_url) {
        _.loadScript({
          success: function() {
            setTimeout(function() {
              if (typeof sa_jssdk_heatmap_render !== 'undefined') {
                sa_jssdk_heatmap_render(sd, data, type, url);
                if (typeof console === 'object' && typeof console.log === 'function') {
                  if (!(sd.heatmap_version && sd.heatmap_version === sd.lib_version)) {
                    console.log('heatmap.js与sensorsdata.js版本号不一致，可能存在风险!');
                  }
                }
              }
            }, 0);
          },
          error: function() {},
          type: 'js',
          url: sd.para.heatmap_url
        });
      } else {
        sd.log('没有指定heatmap_url的路径');
      }
    },
    isStorageHasKeyword: function() {
      return _.sessionStorage.isSupport() && typeof sessionStorage.getItem('sensors_heatmap_id') === 'string';
    },
    storageHasKeywordHandle: function() {
      heatmap.setNotice();
      heatmapMode.isReady(sessionStorage.getItem('sensors_heatmap_id'), sessionStorage.getItem('sensors_heatmap_type'), location.href);
    }
  };

  var vtrackMode = {
    isStorageHasKeyword: function() {
      return _.sessionStorage.isSupport() && typeof sessionStorage.getItem('sensors-visual-mode') === 'string';
    },
    isSearchHasKeyword: function() {
      if (location.search.match(/sa-visual-mode=true/)) {
        if (typeof sessionStorage.getItem('sensors_heatmap_id') === 'string') {
          sessionStorage.removeItem('sensors_heatmap_id');
        }
        return true;
      } else {
        return false;
      }
    },
    loadVtrack: function() {
      _.loadScript({
        success: function() {},
        error: function() {},
        type: 'js',
        url: sd.para.vtrack_url ? sd.para.vtrack_url : location.protocol + '//static.sensorsdata.cn/sdk/' + sd.lib_version + '/vtrack.min.js'
      });
    },
    messageListener: function(event) {
      if (event.data.source !== 'sa-fe') {
        return false;
      }
      if (event.data.type === 'v-track-mode') {
        if (event.data.data && event.data.data.isVtrack) {
          if (_.sessionStorage.isSupport()) {
            sessionStorage.setItem('sensors-visual-mode', 'true');
          }
          if (event.data.data.userURL && location.search.match(/sa-visual-mode=true/)) {
            function validUrl(value) {
              if (value) {
                return _.secCheck.removeScriptProtocol(value);
              } else {
                return false;
              }
            }
            var valid_url = validUrl(event.data.data.userURL);
            if (valid_url) {
              window.location.href = valid_url;
            }
          } else {
            vtrackMode.loadVtrack();
          }
        }
        window.removeEventListener('message', vtrackMode.messageListener, false);
      }
    },
    removeMessageHandle: function() {
      if (window.removeEventListener) {
        window.removeEventListener('message', vtrackMode.messageListener, false);
      }
    },
    verifyVtrackMode: function() {
      if (window.addEventListener) {
        window.addEventListener('message', vtrackMode.messageListener, false);
      }
      vtrackMode.postMessage();
    },
    postMessage: function() {
      if (window.parent && window.parent.postMessage) {
        window.parent.postMessage({
            source: 'sa-web-sdk',
            type: 'v-is-vtrack',
            data: {
              sdkversion: '1.16.13'
            }
          },
          '*'
        );
      }
    },
    notifyUser: function() {
      var fn = function(event) {
        if (event.data.source !== 'sa-fe') {
          return false;
        }
        if (event.data.type === 'v-track-mode') {
          if (event.data.data && event.data.data.isVtrack) {
            alert('当前版本不支持，请升级部署神策数据治理');
          }
          window.removeEventListener('message', fn, false);
        }
      };
      if (window.addEventListener) {
        window.addEventListener('message', fn, false);
      }
      vtrackMode.postMessage();
    }
  };

  var defineMode = function(isLoaded) {
    var bridgeObj = sd.bridge.initDefineBridgeInfo();

    function getAndPostDebugInfo() {
      var arr = [];
      if (!bridgeObj.touch_app_bridge) {
        arr.push(sd.debug.defineMode('1'));
      }
      if (!_.isObject(sd.para.app_js_bridge)) {
        arr.push(sd.debug.defineMode('2'));
        bridgeObj.verify_success = false;
      }
      if (!(_.isObject(sd.para.heatmap) && sd.para.heatmap.clickmap == 'default')) {
        arr.push(sd.debug.defineMode('3'));
      }
      if (bridgeObj.verify_success === 'fail') {
        arr.push(sd.debug.defineMode('4'));
      }
      var data = {
        callType: 'app_alert',
        data: arr
      };

      if (SensorsData_App_Visual_Bridge && SensorsData_App_Visual_Bridge.sensorsdata_visualized_alert_info) {
        SensorsData_App_Visual_Bridge.sensorsdata_visualized_alert_info(JSON.stringify(data));
      } else if (window.webkit && window.webkit.messageHandlers && window.webkit.messageHandlers.sensorsdataNativeTracker && window.webkit.messageHandlers.sensorsdataNativeTracker.postMessage) {
        window.webkit.messageHandlers.sensorsdataNativeTracker.postMessage(JSON.stringify(data));
      }
    }

    if (_.isObject(window.SensorsData_App_Visual_Bridge) && window.SensorsData_App_Visual_Bridge.sensorsdata_visualized_mode && (window.SensorsData_App_Visual_Bridge.sensorsdata_visualized_mode === true || window.SensorsData_App_Visual_Bridge.sensorsdata_visualized_mode())) {
      if (_.isObject(sd.para.heatmap) && sd.para.heatmap.clickmap == 'default') {
        if (_.isObject(sd.para.app_js_bridge) && bridgeObj.verify_success === 'success') {
          if (!isLoaded) {
            var protocol = location.protocol;
            var protocolArr = ['http:', 'https:'];
            protocol = _.indexOf(protocolArr, protocol) > -1 ? protocol : 'https:';
            _.loadScript({
              success: function() {
                setTimeout(function() {
                  if (typeof sa_jssdk_app_define_mode !== 'undefined') {
                    sa_jssdk_app_define_mode(sd, isLoaded);
                  }
                }, 0);
              },
              error: function() {},
              type: 'js',
              url: protocol + '//static.sensorsdata.cn/sdk/' + sd.lib_version + '/vapph5define.min.js'
            });
          } else {
            sa_jssdk_app_define_mode(sd, isLoaded);
          }
        } else {
          getAndPostDebugInfo();
        }
      } else {
        getAndPostDebugInfo();
      }
    }
  };

  function trackMode() {
    sd.readyState.setState(3);

    var visualizedBridge = new sd.JSBridge({
      type: 'visualized',
      app_call_js: function() {
        if (typeof sa_jssdk_app_define_mode !== 'undefined') {
          defineMode(true);
        } else {
          defineMode(false);
        }
      }
    });

    defineMode(false);

    sd.bridge.app_js_bridge_v1();
    _.info.initPage();

    if (sd.para.is_track_single_page) {
      _.addSinglePageEvent(function(last_url) {
        var sendData = function(extraData) {
          extraData = extraData || {};
          if (last_url !== location.href) {
            _.info.pageProp.referrer = last_url;
            last_url = _.isDecodeURI(sd.para.url_is_decode, last_url);
            sd.quick('autoTrack', _.extend({
              $url: _.isDecodeURI(sd.para.url_is_decode, location.href),
              $referrer: last_url
            }, extraData));
          }
        };
        if (typeof sd.para.is_track_single_page === 'boolean') {
          sendData();
        } else if (typeof sd.para.is_track_single_page === 'function') {
          var returnValue = sd.para.is_track_single_page();
          if (_.isObject(returnValue)) {
            sendData(returnValue);
          } else if (returnValue === true) {
            sendData();
          }
        }
      });
    }
    if (sd.para.batch_send) {
      _.addEvent(window, 'onpagehide' in window ? 'pagehide' : 'unload', function(e) {
        sd.batchSend.clearPendingStatus();
      });
      sd.batchSend.batchInterval();
    }
    sd.store.init();

    sd.readyState.setState(4);
    if (sd._q && _.isArray(sd._q) && sd._q.length > 0) {
      _.each(sd._q, function(content) {
        sd[content[0]].apply(sd, Array.prototype.slice.call(content[1]));
      });
    }

    if (_.isObject(sd.para.heatmap)) {
      heatmap.initHeatmap();
      heatmap.initScrollmap();
    }
  }

  if (heatmapMode.isSeachHasKeyword()) {
    heatmapMode.hasKeywordHandle();
  } else if (window.parent !== self && vtrackMode.isSearchHasKeyword()) {
    vtrackMode.verifyVtrackMode();
  } else if (heatmapMode.isStorageHasKeyword()) {
    heatmapMode.storageHasKeywordHandle();
  } else if (window.parent !== self && vtrackMode.isStorageHasKeyword()) {
    vtrackMode.verifyVtrackMode();
  } else {
    trackMode();
    vtrackMode.notifyUser();
  }
};;


function BatchSend() {
  this.sendingData = 0;
  this.sendingItemKeys = [];
}

BatchSend.prototype = {
  add: function(data) {
    if (_.isObject(data)) {
      this.writeStore(data);
      if (data.type === 'track_signup' || data.event === '$pageview') {
        this.sendStrategy();
      }
    }
  },
  clearPendingStatus: function() {
    if (this.sendingItemKeys.length) {
      this.removePendingItems(this.sendingItemKeys);
    }
  },
  remove: function(keys) {
    var me = this;
    if (this.sendingData > 0) {
      --this.sendingData;
    }
    if (_.isArray(keys) && keys.length > 0) {
      _.each(keys, function(key) {
        _.localStorage.remove(key);
      });
    }
  },
  send: function(data) {
    var me = this;
    var server_url;
    if ((_.isString(sd.para.server_url) && sd.para.server_url !== '') || (_.isArray(sd.para.server_url) && sd.para.server_url.length)) {
      server_url = _.isArray(sd.para.server_url) ? sd.para.server_url[0] : sd.para.server_url;
    } else {
      sd.log('当前 server_url 为空或不正确，只在控制台打印日志，network 中不会发数据，请配置正确的 server_url！');
      return;
    }
    _.ajax({
      url: server_url,
      type: 'POST',
      data: 'data_list=' + encodeURIComponent(_.base64Encode(JSON.stringify(data.vals))),
      credentials: false,
      timeout: sd.para.batch_send.datasend_timeout,
      cors: true,
      success: function() {
        me.remove(data.keys);
        me.removePendingItems(data.keys);
      },
      error: function() {
        if (me.sendingData > 0) {
          --me.sendingData;
        }
        me.removePendingItems(data.keys);
      }
    });
  },
  appendPendingItems: function(newKeys) {
    if (_.isArray(newKeys) === false) {
      return;
    }
    this.sendingItemKeys = _.unique(this.sendingItemKeys.concat(newKeys));
    try {
      var existingItems = this.getPendingItems();
      var newItems = _.unique(existingItems.concat(newKeys));
      localStorage.setItem('sawebjssdk-sendingitems', JSON.stringify(newItems));
    } catch (e) {}
  },
  removePendingItems: function(keys) {
    if (_.isArray(keys) === false) {
      return;
    }
    if (this.sendingItemKeys.length) {
      this.sendingItemKeys = _.filter(this.sendingItemKeys, function(item) {
        return _.indexOf(keys, item) === -1;
      });
    }
    try {
      var existingItems = this.getPendingItems();
      var newItems = _.filter(existingItems, function(item) {
        return _.indexOf(keys, item) === -1;
      });
      localStorage.setItem('sawebjssdk-sendingitems', JSON.stringify(newItems));
    } catch (e) {}
  },
  getPendingItems: function() {
    var items = [];
    try {
      var value = localStorage.getItem('sawebjssdk-sendingitems');
      if (value) {
        items = JSON.parse(value);
      }
    } catch (e) {}
    return items;
  },
  sendPrepare: function(data) {
    this.appendPendingItems(data.keys);
    var arr = data.vals;
    var arrLen = arr.length;
    if (arrLen > 0) {
      this.send({
        keys: data.keys,
        vals: arr
      });
    }
  },
  sendStrategy: function() {
    if (document.hasFocus() === false) {
      return false;
    }
    var data = this.readStore();
    if (data.keys.length > 0 && this.sendingData === 0) {
      this.sendingData = 1;
      this.sendPrepare(data);
    }
  },
  batchInterval: function() {
    var me = this;
    setInterval(function() {
      me.sendStrategy();
    }, sd.para.batch_send.send_interval);
  },
  readStore: function() {
    var keys = [];
    var vals = [];
    var obj = {};
    var val = null;
    var now = new Date().getTime();
    var len = localStorage.length;
    var pendingItems = this.getPendingItems();
    for (var i = 0; i < len; i++) {
      var itemName = localStorage.key(i);
      if (itemName.indexOf('sawebjssdk-') === 0 && /^sawebjssdk\-\d+$/.test(itemName)) {
        if (pendingItems.length && _.indexOf(pendingItems, itemName) > -1) {
          continue;
        }
        val = localStorage.getItem(itemName);
        if (val) {
          val = _.safeJSONParse(val);
          if (val && _.isObject(val)) {
            val._flush_time = now;
            keys.push(itemName);
            vals.push(val);
          } else {
            localStorage.removeItem(itemName);
            sd.log('localStorage-数据parse异常' + val);
          }
        } else {
          localStorage.removeItem(itemName);
          sd.log('localStorage-数据取值异常' + val);
        }
      }
    }
    return {
      keys: keys,
      vals: vals
    };
  },
  writeStore: function(data) {
    var uuid = String(_.getRandom()).slice(2, 5) + String(_.getRandom()).slice(2, 5) + String(new Date().getTime()).slice(3);
    localStorage.setItem('sawebjssdk-' + uuid, JSON.stringify(data));
  }
};

sd.batchSend = new BatchSend();

var dataSend = {};

dataSend.getSendUrl = function(url, data) {
  var base64Data = _.base64Encode(data);
  var crc = 'crc=' + _.hashCode(base64Data);
  if (url.indexOf('?') !== -1) {
    return url + '&data=' + encodeURIComponent(base64Data) + '&ext=' + encodeURIComponent(crc);
  } else {
    return url + '?data=' + encodeURIComponent(base64Data) + '&ext=' + encodeURIComponent(crc);
  }
};

dataSend.getSendData = function(data) {
  var base64Data = _.base64Encode(data);
  var crc = 'crc=' + _.hashCode(base64Data);
  return 'data=' + encodeURIComponent(base64Data) + '&ext=' + encodeURIComponent(crc);
};

dataSend.getInstance = function(data) {
  var sendType = this.getSendType(data);
  var obj = new this[sendType](data);
  var start = obj.start;
  obj.start = function() {
    if (_.isObject(sd.para.is_debug) && sd.para.is_debug.storage && sd.store.requests) {
      sd.store.requests.push({
        name: this.server_url,
        initiatorType: this.img ? 'img' : 'xmlhttprequest',
        entryType: 'resource',
        requestData: this.data
      });
    }
    var me = this;
    start.apply(this, arguments);
    setTimeout(function() {
      me.isEnd(true);
    }, sd.para.callback_timeout);
  };
  obj.end = function() {
    this.callback && this.callback();
    var self = this;
    setTimeout(function() {
      self.lastClear && self.lastClear();
    }, sd.para.datasend_timeout - sd.para.callback_timeout);
  };
  obj.isEnd = function(isDelay) {
    if (!this.received) {
      this.received = true;
      this.end();
      var self = this;
      if (isDelay) {
        if (sd.para.queue_timeout - sd.para.callback_timeout <= 0) {
          self.close();
        } else {
          setTimeout(function() {
            self.close();
          }, sd.para.queue_timeout - sd.para.callback_timeout);
        }
      } else {
        self.close();
      }
    }
  };

  return obj;
};

dataSend.getRealtimeInstance = function(data) {
  var sendType = this.getSendType(data);
  var obj = new this[sendType](data);
  obj.defaultData = data;
  var start = obj.start;
  obj.start = function() {
    var me = this;
    start.apply(this, arguments);
    setTimeout(function() {
      me.isEnd(true);
    }, sd.para.callback_timeout);
  };
  obj.end = function() {
    this.callback && this.callback();
    var self = this;
    setTimeout(function() {
      self.lastClear && self.lastClear();
    }, sd.para.datasend_timeout - sd.para.callback_timeout);
  };
  obj.isEnd = function(isDelay) {
    if (!this.received) {
      this.received = true;
      this.end();
    }
  };
  return obj;
};

dataSend.getSendType = function(data) {
  var supportedSendTypes = ['image', 'ajax', 'beacon'];
  var sendType = supportedSendTypes[0];

  if (data.config && _.indexOf(supportedSendTypes, data.config.send_type) > -1) {
    sendType = data.config.send_type;
  } else {
    sendType = sd.para.send_type;
  }

  if (sendType === 'beacon' && _.isSupportBeaconSend() === false) {
    sendType = 'image';
  }

  if (sendType === 'ajax' && _.isSupportCors() === false) {
    sendType = 'image';
  }

  return sendType;
};

dataSend.image = function(para) {
  this.callback = para.callback;
  this.img = document.createElement('img');
  this.img.width = 1;
  this.img.height = 1;
  if (sd.para.img_use_crossorigin) {
    this.img.crossOrigin = 'anonymous';
  }
  this.data = para.data;
  this.server_url = dataSend.getSendUrl(para.server_url, para.data);
};
dataSend.image.prototype.start = function() {
  var me = this;
  if (sd.para.ignore_oom) {
    this.img.onload = function() {
      this.onload = null;
      this.onerror = null;
      this.onabort = null;
      me.isEnd();
    };
    this.img.onerror = function() {
      this.onload = null;
      this.onerror = null;
      this.onabort = null;
      me.isEnd();
    };
    this.img.onabort = function() {
      this.onload = null;
      this.onerror = null;
      this.onabort = null;
      me.isEnd();
    };
  }
  this.img.src = this.server_url;
};

dataSend.image.prototype.lastClear = function() {
  this.img.src = '';
};

dataSend.ajax = function(para) {
  this.callback = para.callback;
  this.server_url = para.server_url;
  this.data = dataSend.getSendData(para.data);
};
dataSend.ajax.prototype.start = function() {
  var me = this;
  _.ajax({
    url: this.server_url,
    type: 'POST',
    data: this.data,
    credentials: false,
    timeout: sd.para.datasend_timeout,
    cors: true,
    success: function() {
      me.isEnd();
    },
    error: function() {
      me.isEnd();
    }
  });
};

dataSend.beacon = function(para) {
  this.callback = para.callback;
  this.server_url = para.server_url;
  this.data = dataSend.getSendData(para.data);
};

dataSend.beacon.prototype.start = function() {
  var me = this;
  if (typeof navigator === 'object' && typeof navigator.sendBeacon === 'function') {
    if (!navigator.sendBeacon(this.server_url, this.data)) {
      this.defaultData.config.send_type = 'image';
      sendState.realtimeSend(this.defaultData);
    }
  }
  setTimeout(function() {
    me.isEnd();
  }, 40);
};


var sendState = {};
sd.sendState = sendState;
sd.events = new _.eventEmitter();
sendState.queue = _.autoExeQueue();

sendState.requestData = null;

sendState.getSendCall = function(data, config, callback) {
  if (sd.is_heatmap_render_mode) {
    return false;
  }

  if (sd.readyState.state < 3) {
    sd.log('初始化没有完成');
    return false;
  }

  data._track_id = Number(String(_.getRandom()).slice(2, 5) + String(_.getRandom()).slice(2, 4) + String(new Date().getTime()).slice(-4));
  if (sd.para.use_client_time) {
    data._flush_time = new Date().getTime();
  }

  var originData = data;

  data = JSON.stringify(data);

  this.requestData = {
    data: originData,
    config: config,
    callback: callback
  };

  sd.events.tempAdd('send', originData);

  if (!sd.para.app_js_bridge && sd.para.batch_send && localStorage.length < 200) {
    sd.log(originData);
    sd.batchSend.add(this.requestData.data);
    return false;
  }

  sd.bridge.dataSend(originData, this, callback);

  sd.log(originData);
};

sendState.prepareServerUrl = function() {
  if (typeof this.requestData.config === 'object' && this.requestData.config.server_url) {
    this.sendCall(this.requestData.config.server_url, this.requestData.callback);
  } else if (_.isArray(sd.para.server_url) && sd.para.server_url.length) {
    for (var i = 0; i < sd.para.server_url.length; i++) {
      this.sendCall(sd.para.server_url[i]);
    }
  } else if (typeof sd.para.server_url === 'string' && sd.para.server_url !== '') {
    this.sendCall(sd.para.server_url, this.requestData.callback);
  } else {
    sd.log('当前 server_url 为空或不正确，只在控制台打印日志，network 中不会发数据，请配置正确的 server_url！');
  }
};

sendState.sendCall = function(server_url, callback) {
  var data = {
    server_url: server_url,
    data: JSON.stringify(this.requestData.data),
    callback: callback,
    config: this.requestData.config
  };
  if (_.isObject(sd.para.jsapp) && !sd.para.jsapp.isOnline && typeof sd.para.jsapp.setData === 'function') {
    delete data.callback;
    data = JSON.stringify(data);
    sd.para.jsapp.setData(data);
  } else {
    if (sd.para.use_client_time) {
      this.realtimeSend(data);
    } else {
      this.pushSend(data);
    }
  }
};

sendState.pushSend = function(data) {
  var instance = dataSend.getInstance(data);
  var me = this;
  instance.close = function() {
    me.queue.close();
  };
  this.queue.enqueue(instance);
};

sendState.realtimeSend = function(data) {
  var instance = dataSend.getRealtimeInstance(data);
  instance.start();
};

var saEvent = {};
sd.saEvent = saEvent;

saEvent.checkOption = {
  regChecks: {
    regName: /^((?!^distinct_id$|^original_id$|^time$|^properties$|^id$|^first_id$|^second_id$|^users$|^events$|^event$|^user_id$|^date$|^datetime$)[a-zA-Z_$][a-zA-Z\d_$]{0,99})$/i
  },
  checkPropertiesKey: function(obj) {
    var me = this,
      flag = true;
    _.each(obj, function(content, key) {
      if (!me.regChecks.regName.test(key)) {
        flag = false;
      }
    });
    return flag;
  },
  check: function(a, b) {
    if (typeof this[a] === 'string') {
      return this[this[a]](b);
    } else if (_.isFunction(this[a])) {
      return this[a](b);
    }
  },
  str: function(s) {
    if (!_.isString(s)) {
      sd.log('请检查参数格式,必须是字符串');
      return true;
    } else {
      return true;
    }
  },
  properties: function(p) {
    _.strip_sa_properties(p);
    if (p) {
      if (_.isObject(p)) {
        if (this.checkPropertiesKey(p)) {
          return true;
        } else {
          sd.log('properties 里的自定义属性名需要是合法的变量名，不能以数字开头，且只包含：大小写字母、数字、下划线，自定义属性不能以 $ 开头');
          return true;
        }
      } else {
        sd.log('properties可以没有，但有的话必须是对象');
        return true;
      }
    } else {
      return true;
    }
  },
  propertiesMust: function(p) {
    _.strip_sa_properties(p);
    if (p === undefined || !_.isObject(p) || _.isEmptyObject(p)) {
      sd.log('properties必须是对象且有值');
      return true;
    } else {
      if (this.checkPropertiesKey(p)) {
        return true;
      } else {
        sd.log('properties 里的自定义属性名需要是合法的变量名，不能以数字开头，且只包含：大小写字母、数字、下划线，自定义属性不能以 $ 开头');
        return true;
      }
    }
  },
  event: function(s) {
    if (!_.isString(s) || !this['regChecks']['regName'].test(s)) {
      sd.log('请检查参数格式，eventName 必须是字符串，且需是合法的变量名，即不能以数字开头，且只包含：大小写字母、数字、下划线和 $,其中以 $ 开头的表明是系统的保留字段，自定义事件名请不要以 $ 开头');
      return true;
    } else {
      return true;
    }
  },
  test_id: 'str',
  group_id: 'str',
  distinct_id: function(id) {
    if (_.isString(id) && /^.{1,255}$/.test(id)) {
      return true;
    } else {
      sd.log('distinct_id必须是不能为空，且小于255位的字符串');
      return false;
    }
  }
};

saEvent.check = function(p) {
  var flag = true;
  for (var i in p) {
    if (Object.prototype.hasOwnProperty.call(p, i) && !this.checkOption.check(i, p[i])) {
      return false;
    }
  }
  return flag;
};

saEvent.send = function(p, callback) {
  var data = {
    distinct_id: store.getDistinctId(),
    lib: {
      $lib: 'js',
      $lib_method: 'code',
      $lib_version: String(sd.lib_version)
    },
    properties: {}
  };

  if (_.isObject(p) && _.isObject(p.properties) && !_.isEmptyObject(p.properties) && p.properties.$lib_detail) {
    data.lib.$lib_detail = p.properties.$lib_detail;
    delete p.properties.$lib_detail;
  }
  _.extend(data, sd.store.getUnionId(), p);

  if (_.isObject(p.properties) && !_.isEmptyObject(p.properties)) {
    _.extend(data.properties, p.properties);
  }

  if (!p.type || p.type.slice(0, 7) !== 'profile') {

    data.properties = _.extend({}, _.info.properties(), store.getProps(), store.getSessionProps(), _.info.currentProps, data.properties);
    if (sd.para.preset_properties.latest_referrer && !_.isString(data.properties.$latest_referrer)) {
      data.properties.$latest_referrer = '取值异常';
    }
    if (sd.para.preset_properties.latest_search_keyword && !_.isString(data.properties.$latest_search_keyword)) {
      data.properties.$latest_search_keyword = '取值异常';
    }
    if (sd.para.preset_properties.latest_traffic_source_type && !_.isString(data.properties.$latest_traffic_source_type)) {
      data.properties.$latest_traffic_source_type = '取值异常';
    }
    if (sd.para.preset_properties.latest_landing_page && !_.isString(data.properties.$latest_landing_page)) {
      data.properties.$latest_landing_page = '取值异常';
    }
    if (sd.para.preset_properties.latest_wx_ad_click_id === 'not_collect') {
      delete data.properties._latest_wx_ad_click_id;
      delete data.properties._latest_wx_ad_hash_key;
      delete data.properties._latest_wx_ad_callbacks;
    } else if (sd.para.preset_properties.latest_wx_ad_click_id && !_.isString(data.properties._latest_wx_ad_click_id)) {
      data.properties._latest_wx_ad_click_id = '取值异常';
      data.properties._latest_wx_ad_hash_key = '取值异常';
      data.properties._latest_wx_ad_callbacks = '取值异常';
    }
    if (_.isString(data.properties._latest_wx_ad_click_id)) {
      data.properties.$url = _.isDecodeURI(sd.para.url_is_decode, window.location.href);
    }
  }

  if (data.properties.$time && _.isDate(data.properties.$time)) {
    data.time = data.properties.$time * 1;
    delete data.properties.$time;
  } else {
    if (sd.para.use_client_time) {
      data.time = new Date() * 1;
    }
  }
  _.parseSuperProperties(data);

  _.filterReservedProperties(data.properties);
  _.searchObjDate(data);
  _.searchObjString(data);
  _.searchZZAppStyle(data);

  var data_config = _.searchConfigData(data.properties);

  saNewUser.checkIsAddSign(data);
  saNewUser.checkIsFirstTime(data);

  sd.addReferrerHost(data);
  sd.addPropsHook(data);

  if (sd.para.debug_mode === true) {
    sd.log(data);
    this.debugPath(JSON.stringify(data), callback);
  } else {
    sd.sendState.getSendCall(data, data_config, callback);
  }
};

saEvent.debugPath = function(data, callback) {
  var _data = data;
  var url = '';
  if (sd.para.debug_mode_url.indexOf('?') !== -1) {
    url = sd.para.debug_mode_url + '&data=' + encodeURIComponent(_.base64Encode(data));
  } else {
    url = sd.para.debug_mode_url + '?data=' + encodeURIComponent(_.base64Encode(data));
  }

  _.ajax({
    url: url,
    type: 'GET',
    cors: true,
    header: {
      'Dry-Run': String(sd.para.debug_mode_upload)
    },
    success: function(data) {
      _.isEmptyObject(data) === true ? alert('debug数据发送成功' + _data) : alert('debug失败 错误原因' + JSON.stringify(data));
    }
  });
};;


var store = (sd.store = {
  requests: [],
  _sessionState: {},
  _state: {
    distinct_id: '',
    first_id: '',
    props: {}
  },
  getProps: function() {
    return this._state.props || {};
  },
  getSessionProps: function() {
    return this._sessionState;
  },
  getDistinctId: function() {
    return this._state._distinct_id || this._state.distinct_id;
  },
  getUnionId: function() {
    var obj = {};
    var firstId = this._state._first_id || this._state.first_id,
      distinct_id = this._state._distinct_id || this._state.distinct_id;
    if (firstId && distinct_id) {
      obj.login_id = distinct_id;
      obj.anonymous_id = firstId;
    } else {
      obj.anonymous_id = distinct_id;
    }
    return obj;
  },
  getFirstId: function() {
    return this._state._first_id || this._state.first_id;
  },
  toState: function(ds) {
    var state = null;
    if (ds != null && _.isJSONString(ds)) {
      state = JSON.parse(ds);
      this._state = _.extend(state);
      if (state.distinct_id) {
        if (typeof state.props === 'object') {
          for (var key in state.props) {
            if (typeof state.props[key] === 'string') {
              state.props[key] = state.props[key].slice(0, sd.para.max_referrer_string_length);
            }
          }
          this.save();
        }
      } else {
        this.set('distinct_id', _.UUID());
        sd.debug.distinct_id('1', ds);
      }
    } else {
      this.set('distinct_id', _.UUID());
      sd.debug.distinct_id('2', ds);
    }
  },
  initSessionState: function() {
    var ds = _.cookie.get('sensorsdata2015session');
    var state = null;
    if (ds !== null && typeof(state = JSON.parse(ds)) === 'object') {
      this._sessionState = state || {};
    }
  },

  setOnce: function(a, b) {
    if (!(a in this._state)) {
      this.set(a, b);
    }
  },
  set: function(name, value) {
    this._state = this._state || {};
    var pre_id = this._state.distinct_id;
    this._state[name] = value;
    if (name === 'first_id') {
      delete this._state._first_id;
    } else if (name === 'distinct_id') {
      delete this._state._distinct_id;
    }
    this.save();
    if (name === 'distinct_id' && pre_id) {
      sd.events.tempAdd('changeDistinctId', value);
    }
  },
  change: function(name, value) {
    this._state['_' + name] = value;
  },
  setSessionProps: function(newp) {
    var props = this._sessionState;
    _.extend(props, newp);
    this.sessionSave(props);
  },
  setSessionPropsOnce: function(newp) {
    var props = this._sessionState;
    _.coverExtend(props, newp);
    this.sessionSave(props);
  },
  setProps: function(newp, isCover) {
    var props = {};
    if (!isCover) {
      props = _.extend(this._state.props || {}, newp);
    } else {
      props = newp;
    }
    for (var key in props) {
      if (typeof props[key] === 'string') {
        props[key] = props[key].slice(0, sd.para.max_referrer_string_length);
      }
    }
    this.set('props', props);
  },
  setPropsOnce: function(newp) {
    var props = this._state.props || {};
    _.coverExtend(props, newp);
    this.set('props', props);
  },
  clearAllProps: function(arr) {
    this._sessionState = {};
    if (_.isArray(arr) && arr.length > 0) {
      for (var i = 0; i < arr.length; i++) {
        if (_.isString(arr[i]) && arr[i].indexOf('latest_') === -1 && arr[i] in this._state.props) {
          delete this._state.props[arr[i]];
        }
      }
    } else {
      for (var i in this._state.props) {
        if (i.indexOf('latest_') !== 1) {
          delete this._state.props[i];
        }
      }
    }
    this.sessionSave({});
    this.save();
  },
  sessionSave: function(props) {
    this._sessionState = props;
    _.cookie.set('sensorsdata2015session', JSON.stringify(this._sessionState), 0);
  },
  save: function() {
    var copyState = JSON.parse(JSON.stringify(this._state));
    delete copyState._first_id;
    delete copyState._distinct_id;

    var stateStr = JSON.stringify(copyState);
    if (sd.para.encrypt_cookie) {
      stateStr = _.cookie.encrypt(stateStr);
    }
    _.cookie.set(this.getCookieName(), stateStr, 73000, sd.para.cross_subdomain);
  },
  getCookieName: function() {
    var sub = '';
    if (sd.para.cross_subdomain === false) {
      try {
        sub = _.URL(location.href).hostname;
      } catch (e) {
        sd.log(e);
      }
      if (typeof sub === 'string' && sub !== '') {
        sub = 'sa_jssdk_2015_' + sub.replace(/\./g, '_');
      } else {
        sub = 'sa_jssdk_2015_root';
      }
    } else {
      sub = 'sensorsdata2015jssdkcross';
    }
    return sub;
  },
  init: function() {
    this.initSessionState();
    var uuid = _.UUID();
    var cross = _.cookie.get(this.getCookieName());
    cross = _.cookie.resolveValue(cross);
    if (cross === null) {
      sd.is_first_visitor = true;

      this.set('distinct_id', uuid);
    } else {
      if (!_.isJSONString(cross) || !JSON.parse(cross).distinct_id) {
        sd.is_first_visitor = true;
      }

      this.toState(cross);
    }

    saNewUser.setDeviceId(uuid);

    saNewUser.storeInitCheck();
    saNewUser.checkIsFirstLatest();
  }
});

var saNewUser = {
  checkIsAddSign: function(data) {
    if (data.type === 'track') {
      if (_.cookie.getNewUser()) {
        data.properties.$is_first_day = true;
      } else {
        data.properties.$is_first_day = false;
      }
    }
  },
  is_first_visit_time: false,
  checkIsFirstTime: function(data) {
    if (data.type === 'track' && data.event === '$pageview') {
      if (this.is_first_visit_time) {
        data.properties.$is_first_time = true;
        this.is_first_visit_time = false;
      } else {
        data.properties.$is_first_time = false;
      }
    }
  },
  setDeviceId: function(uuid) {
    var device_id = null;
    var ds = _.cookie.get('sensorsdata2015jssdkcross');
    ds = _.cookie.resolveValue(ds);
    var state = {};
    if (ds != null && _.isJSONString(ds)) {
      state = JSON.parse(ds);
      if (state.$device_id) {
        device_id = state.$device_id;
      }
    }

    device_id = device_id || uuid;

    if (sd.para.cross_subdomain === true) {
      store.set('$device_id', device_id);
    } else {
      state.$device_id = device_id;
      state = JSON.stringify(state);
      if (sd.para.encrypt_cookie) {
        state = _.cookie.encrypt(state);
      }
      _.cookie.set('sensorsdata2015jssdkcross', state, null, true);
    }

    if (sd.para.is_track_device_id) {
      _.info.currentProps.$device_id = device_id;
    }
  },
  storeInitCheck: function() {
    if (sd.is_first_visitor) {
      var date = new Date();
      var obj = {
        h: 23 - date.getHours(),
        m: 59 - date.getMinutes(),
        s: 59 - date.getSeconds()
      };
      _.cookie.set(_.cookie.getCookieName('new_user'), '1', obj.h * 3600 + obj.m * 60 + obj.s + 's');
      this.is_first_visit_time = true;
    } else {
      if (!_.cookie.getNewUser()) {
        this.checkIsAddSign = function(data) {
          if (data.type === 'track') {
            data.properties.$is_first_day = false;
          }
        };
      }
      this.checkIsFirstTime = function(data) {
        if (data.type === 'track' && data.event === '$pageview') {
          data.properties.$is_first_time = false;
        }
      };
    }
  },
  checkIsFirstLatest: function() {
    var url_domain = _.info.pageProp.url_domain;

    var latest_utms = ['$utm_source', '$utm_medium', '$utm_campaign', '$utm_content', '$utm_term'];
    var props = store.getProps();
    for (var i = 0; i < latest_utms.length; i++) {
      if (latest_utms[i] in props) {
        delete props[latest_utms[i]];
      }
    }
    store.setProps(props, true);


    var latestObj = {};

    if (url_domain === '') {
      url_domain = 'url解析失败';
    }

    _.each(sd.para.preset_properties, function(value, key) {
      if (key.indexOf('latest_') === -1) {
        return false;
      }
      key = key.slice(7);
      if (value) {
        if (key === 'wx_ad_click_id' && value === 'not_collect') {
          return false;
        }
        if (key !== 'utm' && url_domain === 'url解析失败') {
          if (key === 'wx_ad_click_id') {
            latestObj['_latest_wx_ad_click_id'] = 'url的domain解析失败';
            latestObj['_latest_wx_ad_hash_key'] = 'url的domain解析失败';
            latestObj['_latest_wx_ad_callbacks'] = 'url的domain解析失败';
          } else {
            latestObj['$latest_' + key] = 'url的domain解析失败';
          }
        } else if (_.isReferralTraffic(document.referrer)) {
          switch (key) {
            case 'traffic_source_type':
              latestObj['$latest_traffic_source_type'] = _.getSourceFromReferrer();
              break;
            case 'referrer':
              latestObj['$latest_referrer'] = _.isDecodeURI(sd.para.url_is_decode, _.info.pageProp.referrer);
              break;
            case 'search_keyword':
              latestObj['$latest_search_keyword'] = _.getKeywordFromReferrer();
              break;
            case 'landing_page':
              latestObj['$latest_landing_page'] = _.isDecodeURI(sd.para.url_is_decode, location.href);
              break;
            case 'wx_ad_click_id':
              var adObj = _.getWxAdIdFromUrl(location.href);
              latestObj['_latest_wx_ad_click_id'] = adObj.click_id;
              latestObj['_latest_wx_ad_hash_key'] = adObj.hash_key;
              latestObj['_latest_wx_ad_callbacks'] = adObj.callbacks;
              break;
          }
        }
      } else {
        if (key === 'utm' && sd.store._state.props) {
          for (var key1 in sd.store._state.props) {
            if (key1.indexOf('$latest_utm') === 0 || (key1.indexOf('_latest_') === 0 && key1.indexOf('_latest_wx_ad_') < 0)) {
              delete sd.store._state.props[key1];
            }
          }
        } else if (sd.store._state.props && '$latest_' + key in sd.store._state.props) {
          delete sd.store._state.props['$latest_' + key];
        } else if (key == 'wx_ad_click_id' && sd.store._state.props && value === false) {
          var wxPro = ['_latest_wx_ad_click_id', '_latest_wx_ad_hash_key', '_latest_wx_ad_callbacks'];
          _.each(wxPro, function(value) {
            if (value in sd.store._state.props) {
              delete sd.store._state.props[value];
            }
          });
        }
      }
    });

    sd.register(latestObj);

    if (sd.para.preset_properties.latest_utm) {
      var allUtms = _.info.campaignParamsStandard('$latest_', '_latest_');
      var $utms = allUtms.$utms;
      var otherUtms = allUtms.otherUtms;
      if (!_.isEmptyObject($utms)) {
        sd.register($utms);
      }
      if (!_.isEmptyObject(otherUtms)) {
        sd.register(otherUtms);
      }
    }
  }
};;

sd.bridge = {
  is_verify_success: false,
  initPara: function() {
    var app_js_bridge_default = {
      is_send: true,
      white_list: [],
      is_mui: false
    };
    if (typeof sd.para.app_js_bridge === 'object') {
      sd.para.app_js_bridge = _.extend({}, app_js_bridge_default, sd.para.app_js_bridge);
    } else if (sd.para.use_app_track === true || sd.para.app_js_bridge === true || sd.para.use_app_track === 'only') {
      if (sd.para.use_app_track_is_send === false || sd.para.use_app_track === 'only') {
        app_js_bridge_default.is_send = false;
      }
      sd.para.app_js_bridge = _.extend({}, app_js_bridge_default);
    } else if (sd.para.use_app_track === 'mui') {
      app_js_bridge_default.is_mui = true;
      sd.para.app_js_bridge = _.extend({}, app_js_bridge_default);
    }
    if (sd.para.app_js_bridge.is_send === false) {
      sd.log('设置了 is_send:false,如果打通失败，数据将被丢弃！');
    }
  },
  initState: function() {
    function checkProjectAndHost(appUrl) {
      function getHostNameAndProject(url) {
        var obj = {
          hostname: '',
          project: ''
        };
        try {
          obj.hostname = _.URL(url).hostname;
          obj.project = _.URL(url).searchParams.get('project') || 'default';
        } catch (e) {
          sd.log(e);
        }
        return obj;
      }
      var appObj = getHostNameAndProject(appUrl);
      var H5Obj = getHostNameAndProject(sd.para.server_url);
      if (appObj.hostname === H5Obj.hostname && appObj.project === H5Obj.project) {
        return true;
      } else {
        if (sd.para.app_js_bridge.white_list.length > 0) {
          for (var i = 0; i < sd.para.app_js_bridge.white_list.length; i++) {
            var urlobj = getHostNameAndProject(sd.para.app_js_bridge.white_list[i]);
            if (urlobj.hostname === appObj.hostname && urlobj.project === appObj.project) {
              return true;
            }
          }
        }
      }
      return false;
    }

    if (_.isObject(sd.para.app_js_bridge) && !sd.para.app_js_bridge.is_mui) {
      if (window.webkit && window.webkit.messageHandlers && window.webkit.messageHandlers.sensorsdataNativeTracker && _.isObject(window.SensorsData_iOS_JS_Bridge) && window.SensorsData_iOS_JS_Bridge.sensorsdata_app_server_url) {
        if (checkProjectAndHost(window.SensorsData_iOS_JS_Bridge.sensorsdata_app_server_url)) {
          sd.bridge.is_verify_success = true;
        }
      } else if (_.isObject(window.SensorsData_APP_New_H5_Bridge) && window.SensorsData_APP_New_H5_Bridge.sensorsdata_get_server_url && window.SensorsData_APP_New_H5_Bridge.sensorsdata_track) {
        var app_server_url = window.SensorsData_APP_New_H5_Bridge.sensorsdata_get_server_url();
        if (app_server_url) {
          if (checkProjectAndHost(app_server_url)) {
            sd.bridge.is_verify_success = true;
          }
        }
      }
    }
  },
  initDefineBridgeInfo: function() {
    var resultObj = {
      touch_app_bridge: true,
      verify_success: false
    };

    if (window.webkit && window.webkit.messageHandlers && window.webkit.messageHandlers.sensorsdataNativeTracker && window.webkit.messageHandlers.sensorsdataNativeTracker.postMessage && _.isObject(window.SensorsData_iOS_JS_Bridge) && window.SensorsData_iOS_JS_Bridge.sensorsdata_app_server_url) {
      if (sd.bridge.is_verify_success) {
        resultObj.verify_success = 'success';
      } else {
        resultObj.verify_success = 'fail';
      }
    } else if (_.isObject(window.SensorsData_APP_New_H5_Bridge) && window.SensorsData_APP_New_H5_Bridge.sensorsdata_get_server_url && window.SensorsData_APP_New_H5_Bridge.sensorsdata_track) {
      if (sd.bridge.is_verify_success) {
        resultObj.verify_success = 'success';
      } else {
        resultObj.verify_success = 'fail';
      }
    } else if (typeof SensorsData_APP_JS_Bridge === 'object' && ((SensorsData_APP_JS_Bridge.sensorsdata_verify && SensorsData_APP_JS_Bridge.sensorsdata_visual_verify) || SensorsData_APP_JS_Bridge.sensorsdata_track)) {
      if (SensorsData_APP_JS_Bridge.sensorsdata_verify && SensorsData_APP_JS_Bridge.sensorsdata_visual_verify) {
        if (SensorsData_APP_JS_Bridge.sensorsdata_visual_verify(JSON.stringify({
            server_url: sd.para.server_url
          }))) {
          resultObj.verify_success = 'success';
        } else {
          resultObj.verify_success = 'fail';
        }
      } else {
        resultObj.verify_success = 'success';
      }
    } else if ((/sensors-verify/.test(navigator.userAgent) || /sa-sdk-ios/.test(navigator.userAgent)) && !window.MSStream) {
      if (sd.bridge.iOS_UA_bridge()) {
        resultObj.verify_success = 'success';
      } else {
        resultObj.verify_success = 'fail';
      }
    } else {
      resultObj.touch_app_bridge = false;
    }

    return resultObj;
  },
  iOS_UA_bridge: function() {
    if (/sensors-verify/.test(navigator.userAgent)) {
      var match = navigator.userAgent.match(/sensors-verify\/([^\s]+)/);
      if (match && match[0] && typeof match[1] === 'string' && match[1].split('?').length === 2) {
        match = match[1].split('?');
        var hostname = null;
        var project = null;
        try {
          hostname = _.URL(sd.para.server_url).hostname;
          project = _.URL(sd.para.server_url).searchParams.get('project') || 'default';
        } catch (e) {
          sd.log(e);
        }
        if (hostname && hostname === match[0] && project && project === match[1]) {
          return true;
        } else {
          return false;
        }
      } else {
        return false;
      }
    } else if (/sa-sdk-ios/.test(navigator.userAgent)) {
      return true;
    } else {
      return false;
    }
  },
  dataSend: function(originData, that, callback) {
    if (_.isObject(sd.para.app_js_bridge) && !sd.para.app_js_bridge.is_mui) {
      if (window.webkit && window.webkit.messageHandlers && window.webkit.messageHandlers.sensorsdataNativeTracker && window.webkit.messageHandlers.sensorsdataNativeTracker.postMessage && _.isObject(window.SensorsData_iOS_JS_Bridge) && window.SensorsData_iOS_JS_Bridge.sensorsdata_app_server_url) {
        if (sd.bridge.is_verify_success) {
          window.webkit.messageHandlers.sensorsdataNativeTracker.postMessage(JSON.stringify({
            callType: 'app_h5_track',
            data: _.extend({
              server_url: sd.para.server_url
            }, originData)
          }));
          typeof callback === 'function' && callback();
        } else {
          if (sd.para.app_js_bridge.is_send) {
            sd.debug.apph5({
              data: originData,
              step: '4.1',
              output: 'all'
            });
            that.prepareServerUrl();
          } else {
            typeof callback === 'function' && callback();
          }
        }
      } else if (_.isObject(window.SensorsData_APP_New_H5_Bridge) && window.SensorsData_APP_New_H5_Bridge.sensorsdata_get_server_url && window.SensorsData_APP_New_H5_Bridge.sensorsdata_track) {
        if (sd.bridge.is_verify_success) {
          SensorsData_APP_New_H5_Bridge.sensorsdata_track(JSON.stringify(_.extend({
            server_url: sd.para.server_url
          }, originData)));
          typeof callback === 'function' && callback();
        } else {
          if (sd.para.app_js_bridge.is_send) {
            sd.debug.apph5({
              data: originData,
              step: '4.2',
              output: 'all'
            });
            that.prepareServerUrl();
          } else {
            typeof callback === 'function' && callback();
          }
        }
      } else if (typeof SensorsData_APP_JS_Bridge === 'object' && (SensorsData_APP_JS_Bridge.sensorsdata_verify || SensorsData_APP_JS_Bridge.sensorsdata_track)) {
        if (SensorsData_APP_JS_Bridge.sensorsdata_verify) {
          if (!SensorsData_APP_JS_Bridge.sensorsdata_verify(JSON.stringify(_.extend({
              server_url: sd.para.server_url
            }, originData)))) {
            if (sd.para.app_js_bridge.is_send) {
              sd.debug.apph5({
                data: originData,
                step: '3.1',
                output: 'all'
              });
              that.prepareServerUrl();
            } else {
              typeof callback === 'function' && callback();
            }
          } else {
            typeof callback === 'function' && callback();
          }
        } else {
          SensorsData_APP_JS_Bridge.sensorsdata_track(JSON.stringify(_.extend({
            server_url: sd.para.server_url
          }, originData)));
          typeof callback === 'function' && callback();
        }
      } else if ((/sensors-verify/.test(navigator.userAgent) || /sa-sdk-ios/.test(navigator.userAgent)) && !window.MSStream) {
        var iframe = null;
        if (sd.bridge.iOS_UA_bridge()) {
          iframe = document.createElement('iframe');

          function checkURL(originData) {
            var data = JSON.stringify(_.extend({
              server_url: sd.para.server_url
            }, originData));
            data = data.replaceAll(/\r\n/, '');
            data = encodeURIComponent(data);
            return 'sensorsanalytics://trackEvent?event=' + data;
          }
          var newurl = checkURL(originData);
          iframe.setAttribute('src', newurl);
          document.documentElement.appendChild(iframe);
          iframe.parentNode.removeChild(iframe);
          iframe = null;
          typeof callback === 'function' && callback();
        } else {
          if (sd.para.app_js_bridge.is_send) {
            sd.debug.apph5({
              data: originData,
              step: '3.2',
              output: 'all'
            });
            that.prepareServerUrl();
          } else {
            typeof callback === 'function' && callback();
          }
        }
      } else {
        if (_.isObject(sd.para.app_js_bridge) && sd.para.app_js_bridge.is_send === true) {
          sd.debug.apph5({
            data: originData,
            step: '2',
            output: 'all'
          });
          that.prepareServerUrl();
        } else {
          typeof callback === 'function' && callback();
        }
      }
    } else if (_.isObject(sd.para.app_js_bridge) && sd.para.app_js_bridge.is_mui) {
      if (_.isObject(window.plus) && window.plus.SDAnalytics && window.plus.SDAnalytics.trackH5Event) {
        window.plus.SDAnalytics.trackH5Event(data);
        typeof callback === 'function' && callback();
      } else {
        if (_.isObject(sd.para.app_js_bridge) && sd.para.app_js_bridge.is_send === true) {
          that.prepareServerUrl();
        } else {
          typeof callback === 'function' && callback();
        }
      }
    } else {
      sd.debug.apph5({
        data: originData,
        step: '1',
        output: 'code'
      });
      that.prepareServerUrl();
    }
  },
  app_js_bridge_v1: function() {
    var app_info = null;
    var todo = null;

    function setAppInfo(data) {
      app_info = data;
      if (_.isJSONString(app_info)) {
        app_info = JSON.parse(app_info);
      }
      if (todo) {
        todo(app_info);
        todo = null;
        app_info = null;
      }
    }

    function getAndroid() {
      if (typeof window.SensorsData_APP_JS_Bridge === 'object' && window.SensorsData_APP_JS_Bridge.sensorsdata_call_app) {
        app_info = SensorsData_APP_JS_Bridge.sensorsdata_call_app();
        if (_.isJSONString(app_info)) {
          app_info = JSON.parse(app_info);
        }
      }
    }
    window.sensorsdata_app_js_bridge_call_js = function(data) {
      setAppInfo(data);
    };

    function calliOS() {
      if (/iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream) {
        var iframe = document.createElement('iframe');
        iframe.setAttribute('src', 'sensorsanalytics://getAppInfo');
        document.documentElement.appendChild(iframe);
        iframe.parentNode.removeChild(iframe);
        iframe = null;
      }
    }
    sd.getAppStatus = function(func) {
      calliOS();
      getAndroid();
      if (!func) {
        return app_info;
        app_info = null;
      } else {
        if (app_info === null) {
          todo = func;
        } else {
          func(app_info);
          app_info = null;
        }
      }
    };
  },
  supportAppCallJs: function() {
    window.sensorsdata_app_call_js = function(type, data) {
      if (type in window.sensorsdata_app_call_js.modules) {
        window.sensorsdata_app_call_js.modules[type](data);
      }
    };
    window.sensorsdata_app_call_js.modules = {};
  }
};
sd.JSBridge = function(obj) {
  this.list = {};
  this.type = obj.type;
  this.app_call_js = _.isFunction(obj.app_call_js) ? obj.app_call_js : function() {};
  this.init();
};
sd.JSBridge.prototype.init = function() {
  var that = this;
  if (!window.sensorsdata_app_call_js.modules[this.type]) {
    window.sensorsdata_app_call_js.modules[this.type] = function(data) {
      that.app_call_js(data);
    };
  }
};
sd.JSBridge.prototype.jsCallApp = function(data) {
  var appData = {
    callType: this.type,
    data: data
  };
  if (window.webkit && window.webkit.messageHandlers && window.webkit.messageHandlers.sensorsdataNativeTracker && window.webkit.messageHandlers.sensorsdataNativeTracker.postMessage) {
    window.webkit.messageHandlers.sensorsdataNativeTracker.postMessage(JSON.stringify(appData));
  } else if (_.isObject(window.SensorsData_APP_New_H5_Bridge) && window.SensorsData_APP_New_H5_Bridge.sensorsdata_js_call_app) {
    window.SensorsData_APP_New_H5_Bridge.sensorsdata_js_call_app(JSON.stringify(appData));
  } else {
    sd.log('数据发往App失败，App没有暴露bridge');
    return false;
  }
};
sd.JSBridge.prototype.hasAppBridge = function() {
  if (window.webkit && window.webkit.messageHandlers && window.webkit.messageHandlers.sensorsdataNativeTracker && window.webkit.messageHandlers.sensorsdataNativeTracker.postMessage) {
    return 'ios';
  } else if (_.isObject(window.SensorsData_APP_New_H5_Bridge) && window.SensorsData_APP_New_H5_Bridge.sensorsdata_js_call_app) {
    return 'android';
  } else {
    sd.log('App端bridge未暴露');
    return false;
  }
};
sd.JSBridge.prototype.requestToApp = function(obj) {
  var that = this;
  var data = _.isObject(obj.data) ? obj.data : {};
  if (!_.isFunction(obj.callback)) {
    obj.callback = function() {};
  }

  if (_.isObject(obj.timeout) && _.isNumber(obj.timeout.time)) {
    if (!_.isFunction(obj.timeout.callback)) {
      obj.timeout.callback = function() {};
    }
    obj.timer = setTimeout(function() {
      obj.timeout.callback();
      delete that.list[key];
    }, obj.timeout.time);
  }

  function getKey() {
    var d = new Date().getTime().toString(16);
    var m = String(_.getRandom()).replace('.', '').slice(1, 8);
    return d + '-' + m;
  }
  var key = getKey();
  this.list[key] = obj;
  var appData = {
    callType: this.type,
    data: data
  };
  appData.data.message_id = key;
  if (window.webkit && window.webkit.messageHandlers && window.webkit.messageHandlers.sensorsdataNativeTracker && window.webkit.messageHandlers.sensorsdataNativeTracker.postMessage) {
    window.webkit.messageHandlers.sensorsdataNativeTracker.postMessage(JSON.stringify(appData));
  } else if (_.isObject(window.SensorsData_APP_New_H5_Bridge) && window.SensorsData_APP_New_H5_Bridge.sensorsdata_js_call_app) {
    window.SensorsData_APP_New_H5_Bridge.sensorsdata_js_call_app(JSON.stringify(appData));
  } else {
    sd.log('数据发往App失败，App没有暴露bridge');
    return false;
  }
};
sd.JSBridge.prototype.double = function(data) {
  if (data.message_id) {
    var message = this.list[data.message_id];
    if (message) {
      if (message.timer) {
        clearTimeout(message.timer);
      }
      message.callback(data);
      delete this.list[data.message_id];
    }
  }
};;


var heatmap = (sd.heatmap = {
  getElementPath: function(element, ignoreID) {
    var names = [];
    while (element.parentNode) {
      if (element.id && !ignoreID && /^[A-Za-z][-A-Za-z0-9_:.]*$/.test(element.id)) {
        names.unshift(element.tagName.toLowerCase() + '#' + element.id);
        break;
      } else {
        if (element === document.body) {
          names.unshift('body');
          break;
        } else {
          names.unshift(element.tagName.toLowerCase());
        }
        element = element.parentNode;
      }
    }
    return names.join(' > ');
  },
  getClosestLi: function(element) {
    var getClosest = function(elem, selector) {
      for (; elem && elem !== document && elem.nodeType === 1; elem = elem.parentNode) {
        if (elem.tagName.toLowerCase() === selector) {
          return elem;
        }
      }
      return null;
    };
    return getClosest(element, 'li');
  },
  getElementPosition: function(element, elementPath, ignoreID) {
    var closestLi = sd.heatmap.getClosestLi(element);
    if (!closestLi) {
      return null;
    }
    var tag = element.tagName.toLowerCase();
    var sameTypeTags = closestLi.getElementsByTagName(tag);
    var sameTypeTagsLen = sameTypeTags.length;
    var arr = [];
    if (sameTypeTagsLen > 1) {
      for (var i = 0; i < sameTypeTagsLen; i++) {
        var elepath = sd.heatmap.getElementPath(sameTypeTags[i], ignoreID);
        if (elepath === elementPath) {
          arr.push(sameTypeTags[i]);
        }
      }
      if (arr.length > 1) {
        return _.indexOf(arr, element);
      }
    }

    function _getPosition(element) {
      var tagName = element.tagName.toLowerCase();
      var parentNode = element.parentNode;
      if (!parentNode) {
        return '';
      }
      var sameTypeSiblings = _.ry(element).getSameTypeSiblings();
      var typeLen = sameTypeSiblings.length;
      if (typeLen === 1) {
        return 0;
      }
      for (var i = 0, e = element; _.ry(e).previousElementSibling().ele; e = _.ry(e).previousElementSibling().ele, i++);
      return i;
    }
    return _getPosition(closestLi);
  },
  setNotice: function(web_url) {
    sd.is_heatmap_render_mode = true;

    if (!sd.para.heatmap) {
      sd.errorMsg = '您SDK没有配置开启点击图，可能没有数据！';
    }
    if (web_url && web_url[0] && web_url[1]) {
      if (web_url[1].slice(0, 5) === 'http:' && location.protocol === 'https:') {
        sd.errorMsg = '您的当前页面是https的地址，神策分析环境也必须是https！';
      }
    }
    if (!sd.para.heatmap_url) {
      sd.para.heatmap_url = location.protocol + '//static.sensorsdata.cn/sdk/' + sd.lib_version + '/heatmap.min.js';
    }
  },
  getDomIndex: function(el) {
    if (!el.parentNode) return -1;
    var i = 0;
    var nodeName = el.tagName;
    var list = el.parentNode.children;
    for (var n = 0; n < list.length; n++) {
      if (list[n].tagName === nodeName) {
        if (el === list[n]) {
          return i;
        } else {
          i++;
        }
      }
    }
    return -1;
  },
  selector: function(el) {
    var i = el.parentNode && 9 == el.parentNode.nodeType ? -1 : this.getDomIndex(el);
    if (el.getAttribute && el.getAttribute('id') && /^[A-Za-z][-A-Za-z0-9_:.]*$/.test(el.getAttribute('id')) && (!sd.para.heatmap || (sd.para.heatmap && sd.para.heatmap.element_selector !== 'not_use_id'))) {
      return '#' + el.getAttribute('id');
    } else {
      return el.tagName.toLowerCase() + (~i ? ':nth-of-type(' + (i + 1) + ')' : '');
    }
  },
  getDomSelector: function(el, arr) {
    if (!el || !el.parentNode || !el.parentNode.children) {
      return false;
    }
    arr = arr && arr.join ? arr : [];
    var name = el.nodeName.toLowerCase();
    if (!el || name === 'body' || 1 != el.nodeType) {
      arr.unshift('body');
      return arr.join(' > ');
    }
    arr.unshift(this.selector(el));
    if (el.getAttribute && el.getAttribute('id') && /^[A-Za-z][-A-Za-z0-9_:.]*$/.test(el.getAttribute('id')) && sd.para.heatmap && sd.para.heatmap.element_selector !== 'not_use_id') return arr.join(' > ');
    return this.getDomSelector(el.parentNode, arr);
  },
  na: function() {
    var a = document.documentElement.scrollLeft || window.pageXOffset;
    return parseInt(isNaN(a) ? 0 : a, 10);
  },
  i: function() {
    var a = 0;
    try {
      (a = (o.documentElement && o.documentElement.scrollTop) || m.pageYOffset), (a = isNaN(a) ? 0 : a);
    } catch (b) {
      a = 0;
    }
    return parseInt(a, 10);
  },
  getBrowserWidth: function() {
    var a = window.innerWidth || document.body.clientWidth;
    return isNaN(a) ? 0 : parseInt(a, 10);
  },
  getBrowserHeight: function() {
    var a = window.innerHeight || document.body.clientHeight;
    return isNaN(a) ? 0 : parseInt(a, 10);
  },
  getScrollWidth: function() {
    var a = parseInt(document.body.scrollWidth, 10);
    return isNaN(a) ? 0 : a;
  },
  W: function(a) {
    var b = parseInt(+a.clientX + +this.na(), 10);
    var a = parseInt(+a.clientY + +this.i(), 10);
    return {
      x: isNaN(b) ? 0 : b,
      y: isNaN(a) ? 0 : a
    };
  },
  start: function(ev, target, tagName, customProps, callback) {
    var userCustomProps = _.isObject(customProps) ? customProps : {};
    var userCallback = _.isFunction(callback) ? callback : _.isFunction(customProps) ? customProps : undefined;
    if (sd.para.heatmap && sd.para.heatmap.collect_element && !sd.para.heatmap.collect_element(target)) {
      return false;
    }

    var selector = this.getDomSelector(target);
    var prop = _.getEleInfo({
      target: target
    });

    prop.$element_selector = selector ? selector : '';
    prop.$element_path = sd.heatmap.getElementPath(target, sd.para.heatmap && sd.para.heatmap.element_selector === 'not_use_id');
    var element_position = sd.heatmap.getElementPosition(target, prop.$element_path, sd.para.heatmap && sd.para.heatmap.element_selector === 'not_use_id');
    if (_.isNumber(element_position)) {
      prop.$element_position = element_position;
    }
    if (sd.para.heatmap && sd.para.heatmap.custom_property) {
      var customP = sd.para.heatmap.custom_property(target);
      if (_.isObject(customP)) {
        prop = _.extend(prop, customP);
      }
    }
    prop = _.extend(prop, userCustomProps);
    if (tagName === 'a' && sd.para.heatmap && sd.para.heatmap.isTrackLink === true) {
      _.trackLink({
        event: ev,
        target: target
      }, '$WebClick', prop);
    } else {
      sd.track('$WebClick', prop, userCallback);
    }
  },
  hasElement: function(e) {
    var path = e._getPath();
    if (_.isArray(path) && path.length > 0) {
      for (var i = 0; i < path.length; i++) {
        if (path[i] && path[i].tagName && path[i].tagName.toLowerCase() === 'a') {
          return path[i];
        }
      }
    }
    return false;
  },
  isStyleTag: function(tagname, isVisualMode) {
    var defaultTag = ['a', 'div', 'input', 'button', 'textarea'];
    var ignore_tags_default = ['mark', '/mark', 'strong', 'b', 'em', 'i', 'u', 'abbr', 'ins', 'del', 's', 'sup'];
    if (_.indexOf(defaultTag, tagname) > -1) {
      return false;
    }
    if (isVisualMode && (!sd.para.heatmap || !sd.para.heatmap.collect_tags || !sd.para.heatmap.collect_tags.div)) {
      return _.indexOf(ignore_tags_default, tagname) > -1;
    } else if (_.isObject(sd.para.heatmap) && _.isObject(sd.para.heatmap.collect_tags) && _.isObject(sd.para.heatmap.collect_tags.div) && _.indexOf(sd.para.heatmap.collect_tags.div.ignore_tags, tagname) > -1) {
      return true;
    }
    return false;
  },
  isCollectableDiv: function(target, isVisualMode) {
    try {
      if (target.children.length === 0) {
        return true;
      } else {
        for (var i = 0; i < target.children.length; i++) {
          if (target.children[i].nodeType !== 1) {
            continue;
          }
          var tag = target.children[i].tagName.toLowerCase();
          if (this.isStyleTag(tag, isVisualMode)) {
            if (!this.isCollectableDiv(target.children[i], isVisualMode)) {
              return false;
            }
          } else {
            return false;
          }
        }
        return true;
      }
    } catch (error) {
      sd.log(error);
    }
    return false;
  },
  getCollectableParent: function(target, isVisualMode) {
    try {
      var parent = target.parentNode;
      var parentName = parent ? parent.tagName.toLowerCase() : '';
      if (parentName === 'body') {
        return false;
      }
      if (parentName && parentName === 'div' && this.isCollectableDiv(parent, isVisualMode)) {
        return parent;
      } else if (parent && this.isStyleTag(parentName, isVisualMode)) {
        return this.getCollectableParent(parent, isVisualMode);
      }
    } catch (error) {
      sd.log(error);
    }
    return false;
  },
  initScrollmap: function() {
    if (!_.isObject(sd.para.heatmap) || sd.para.heatmap.scroll_notice_map !== 'default') {
      return false;
    }

    var checkPage = function() {
      if (sd.para.scrollmap && _.isFunction(sd.para.scrollmap.collect_url) && !sd.para.scrollmap.collect_url()) {
        return false;
      }
      return true;
    };

    var interDelay = function(param) {
      var interDelay = {};
      interDelay.timeout = param.timeout || 1000;
      interDelay.func = param.func;
      interDelay.hasInit = false;
      interDelay.inter = null;
      interDelay.main = function(para, isClose) {
        this.func(para, isClose);
        this.inter = null;
      };
      interDelay.go = function(isNoDelay) {
        var me = this;
        var para = {};
        if (!this.inter) {
          para.$viewport_position = (document.documentElement && document.documentElement.scrollTop) || window.pageYOffset || document.body.scrollTop || 0;
          para.$viewport_position = Math.round(para.$viewport_position) || 0;
          para.$viewport_height = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight || 0;
          para.$viewport_width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth || 0;
          if (isNoDelay) {
            interDelay.main(para, true);
          } else {
            this.inter = setTimeout(function() {
              interDelay.main(para);
            }, this.timeout);
          }
        }
      };
      return interDelay;
    };

    var delayTime = interDelay({
      timeout: 1000,
      func: function(para, isClose) {
        var offsetTop = (document.documentElement && document.documentElement.scrollTop) || window.pageYOffset || document.body.scrollTop || 0;
        var current_time = new Date();
        var delay_time = current_time - this.current_time;
        if ((delay_time > sd.para.heatmap.scroll_delay_time && offsetTop - para.$viewport_position !== 0) || isClose) {
          para.$url = _.isDecodeURI(sd.para.url_is_decode, location.href);
          para.$title = document.title;
          para.$url_path = location.pathname;
          para.event_duration = Math.min(sd.para.heatmap.scroll_event_duration, parseInt(delay_time) / 1000);
          sd.track('$WebStay', para);
        }
        this.current_time = current_time;
      }
    });

    delayTime.current_time = new Date();

    _.addEvent(window, 'scroll', function() {
      if (!checkPage()) {
        return false;
      }
      delayTime.go();
    });

    _.addEvent(window, 'unload', function() {
      if (!checkPage()) {
        return false;
      }
      delayTime.go('notime');
    });
  },
  initHeatmap: function() {
    var that = this;
    if (!_.isObject(sd.para.heatmap) || sd.para.heatmap.clickmap !== 'default') {
      return false;
    }

    if (_.isFunction(sd.para.heatmap.collect_url) && !sd.para.heatmap.collect_url()) {
      return false;
    }

    if (sd.para.heatmap.collect_elements === 'all') {
      sd.para.heatmap.collect_elements = 'all';
    } else {
      sd.para.heatmap.collect_elements = 'interact';
    }

    if (sd.para.heatmap.collect_elements === 'all') {
      _.addEvent(document, 'click', function(e) {
        var ev = e || window.event;
        if (!ev) {
          return false;
        }
        var target = ev.target || ev.srcElement;
        if (typeof target !== 'object') {
          return false;
        }
        if (typeof target.tagName !== 'string') {
          return false;
        }
        var tagName = target.tagName.toLowerCase();
        if (tagName === 'body' || tagName === 'html') {
          return false;
        }
        if (!target || !target.parentNode || !target.parentNode.children) {
          return false;
        }
        var parent_ele = target.parentNode.tagName.toLowerCase();
        if (parent_ele === 'a' || parent_ele === 'button') {
          that.start(ev, target.parentNode, parent_ele);
        } else {
          that.start(ev, target, tagName);
        }
      });
    } else {
      _.addEvent(document, 'click', function(e) {
        var ev = e || window.event;
        if (!ev) {
          return false;
        }
        var target = ev.target || ev.srcElement;
        if (typeof target !== 'object') {
          return false;
        }
        if (typeof target.tagName !== 'string') {
          return false;
        }
        var tagName = target.tagName.toLowerCase();
        if (tagName.toLowerCase() === 'body' || tagName.toLowerCase() === 'html') {
          return false;
        }
        if (!target || !target.parentNode || !target.parentNode.children) {
          return false;
        }

        var parent_ele = target.parentNode;
        var hasA = that.hasElement(e);
        var trackAttrs = sd.para.heatmap.track_attr;
        if (tagName === 'a' || tagName === 'button' || tagName === 'input' || tagName === 'textarea' || _.hasAttributes(target, trackAttrs)) {
          that.start(ev, target, tagName);
        } else if (parent_ele.tagName.toLowerCase() === 'button' || parent_ele.tagName.toLowerCase() === 'a' || _.hasAttributes(parent_ele, trackAttrs)) {
          that.start(ev, parent_ele, target.parentNode.tagName.toLowerCase());
        } else if (tagName === 'area' && parent_ele.tagName.toLowerCase() === 'map' && _.ry(parent_ele).prev().tagName && _.ry(parent_ele).prev().tagName.toLowerCase() === 'img') {
          that.start(ev, _.ry(parent_ele).prev(), _.ry(parent_ele).prev().tagName.toLowerCase());
        } else if (hasA) {
          that.start(ev, hasA, hasA.tagName.toLowerCase());
        } else if (tagName === 'div' && sd.para.heatmap.collect_tags.div && that.isCollectableDiv(target)) {
          that.start(ev, target, tagName);
        } else if (that.isStyleTag(tagName)) {
          if (sd.para.heatmap.collect_tags.div) {
            var divTarget = that.getCollectableParent(target);
            if (divTarget) {
              that.start(ev, divTarget, 'div');
            }
          }
        }
      });
    }
  }
});;

sd.init = function(para) {
  if (sd.readyState && sd.readyState.state && sd.readyState.state >= 2) {
    return false;
  }
  sd.setInitVar();
  sd.readyState.setState(2);
  sd.initPara(para);
  sd.bridge.supportAppCallJs();
  sd.detectMode();

  if (sd._.isIOS() && sd._.getIOSVersion() && sd._.getIOSVersion() < 13) {
    if (sd.para.heatmap && sd.para.heatmap.collect_tags && sd.para.heatmap.collect_tags.div) {
      sd._.setCssStyle('div, [data-sensors-click] { cursor: pointer; -webkit-tap-highlight-color: rgba(0,0,0,0); }');
    }
    if (sd.para.heatmap && sd.para.heatmap.track_attr) {
      sd._.setCssStyle('[' + sd.para.heatmap.track_attr.join('], [') + '] { cursor: pointer; -webkit-tap-highlight-color: rgba(0,0,0,0); }');
    }
  }
};

var methods = ['getAppStatus', 'track', 'quick', 'register', 'registerPage', 'registerOnce', 'trackSignup', 'setProfile', 'setOnceProfile', 'appendProfile', 'incrementProfile', 'deleteProfile', 'unsetProfile', 'identify', 'login', 'logout', 'trackLink', 'clearAllRegister', 'clearPageRegister'];

_.each(methods, function(method) {
  var oldFunc = sd[method];
  sd[method] = function() {
    if (sd.readyState.state < 3) {
      if (!_.isArray(sd._q)) {
        sd._q = [];
      }
      sd._q.push([method, arguments]);
      return false;
    }
    if (!sd.readyState.getState()) {
      try {
        console.error('请先初始化神策JS SDK');
      } catch (e) {
        sd.log(e);
      }
      return;
    }
    return oldFunc.apply(sd, arguments);
  };
});;


if (typeof window['sensorsDataAnalytic201505'] === 'string') {
  sd.setPreConfig(window[sensorsDataAnalytic201505]);
  window[sensorsDataAnalytic201505] = sd;
  window['sensorsDataAnalytic201505'] = sd;
  sd.init();
} else if (typeof window['sensorsDataAnalytic201505'] === 'undefined') {
  window['sensorsDataAnalytic201505'] = sd;
} else {
  sd = window['sensorsDataAnalytic201505'];
}

export default sd;